20163345380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:382

約数の個数: 192

約数和(自身を含む): 46942156800

約数和(自身を除く): 26778811420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 79, 85, 97, 109, 142, 158, 170, 194, 218, 284, 316, 340, 355, 388, 395, 436, 485, 545, 710, 790, 970, 1090, 1207, 1343, 1420, 1580, 1649, 1853, 1940, 2180, 2414, 2686, 3298, 3706, 4828, 5372, 5609, 6035, 6596, 6715, 6887, 7412, 7663, 7739, 8245, 8611, 9265, 10573, 11218, 12070, 13430, 13774, 15326, 15478, 16490, 17222, 18530, 21146, 22436, 24140, 26860, 27548, 28045, 30652, 30956, 32980, 34435, 34444, 37060, 38315, 38695, 42292, 43055, 52865, 56090, 68870, 76630, 77390, 86110, 95353, 105730, 112180, 117079, 130271, 131563, 137740, 146387, 153260, 154780, 172220, 179741, 190706, 211460, 234158, 260542, 263126, 292774, 359482, 381412, 468316, 476765, 521084, 526252, 544073, 585395, 585548, 611381, 651355, 657815, 718964, 731935, 750683, 835267, 898705, 953530, 1088146, 1170790, 1222762, 1302710, 1315630, 1463870, 1501366, 1670534, 1797410, 1907060, 2176292, 2341580, 2445524, 2605420, 2631260, 2720365, 2927740, 3002732, 3056905, 3341068, 3594820, 3753415, 4176335, 5440730, 6113810, 7506830, 8352670, 9249241, 10393477, 10881460, 12227620, 12761611, 14199539, 15013660, 16705340, 18498482, 20786954, 25523222, 28399078, 36996964, 41573908, 46246205, 51046444, 51967385, 56798156, 59303957, 63808055, 70997695, 92492410, 103934770, 118607914, 127616110, 141995390, 184984820, 207869540, 237215828, 255232220, 283990780, 296519785, 593039570, 1008167269, 1186079140, 2016334538, 4032669076, 5040836345, 10081672690, 20163345380]

約数ペア:

[(1, 20163345380), (2, 10081672690), (4, 5040836345), (5, 4032669076), (10, 2016334538), (17, 1186079140), (20, 1008167269), (34, 593039570), (68, 296519785), (71, 283990780), (79, 255232220), (85, 237215828), (97, 207869540), (109, 184984820), (142, 141995390), (158, 127616110), (170, 118607914), (194, 103934770), (218, 92492410), (284, 70997695), (316, 63808055), (340, 59303957), (355, 56798156), (388, 51967385), (395, 51046444), (436, 46246205), (485, 41573908), (545, 36996964), (710, 28399078), (790, 25523222), (970, 20786954), (1090, 18498482), (1207, 16705340), (1343, 15013660), (1420, 14199539), (1580, 12761611), (1649, 12227620), (1853, 10881460), (1940, 10393477), (2180, 9249241), (2414, 8352670), (2686, 7506830), (3298, 6113810), (3706, 5440730), (4828, 4176335), (5372, 3753415), (5609, 3594820), (6035, 3341068), (6596, 3056905), (6715, 3002732), (6887, 2927740), (7412, 2720365), (7663, 2631260), (7739, 2605420), (8245, 2445524), (8611, 2341580), (9265, 2176292), (10573, 1907060), (11218, 1797410), (12070, 1670534), (13430, 1501366), (13774, 1463870), (15326, 1315630), (15478, 1302710), (16490, 1222762), (17222, 1170790), (18530, 1088146), (21146, 953530), (22436, 898705), (24140, 835267), (26860, 750683), (27548, 731935), (28045, 718964), (30652, 657815), (30956, 651355), (32980, 611381), (34435, 585548), (34444, 585395), (37060, 544073), (38315, 526252), (38695, 521084), (42292, 476765), (43055, 468316), (52865, 381412), (56090, 359482), (68870, 292774), (76630, 263126), (77390, 260542), (86110, 234158), (95353, 211460), (105730, 190706), (112180, 179741), (117079, 172220), (130271, 154780), (131563, 153260), (137740, 146387)]