20175773660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1049}}^1$

素因数の和:1228

約数の個数: 192

約数和(自身を含む): 51480576000

約数和(自身を除く): 31304802340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 47, 70, 74, 79, 94, 140, 148, 158, 185, 188, 235, 259, 316, 329, 370, 395, 470, 518, 553, 658, 740, 790, 940, 1036, 1049, 1106, 1295, 1316, 1580, 1645, 1739, 2098, 2212, 2590, 2765, 2923, 3290, 3478, 3713, 4196, 5180, 5245, 5530, 5846, 6580, 6956, 7343, 7426, 8695, 10490, 11060, 11692, 12173, 14615, 14686, 14852, 17390, 18565, 20461, 20980, 24346, 25991, 29230, 29372, 34780, 36715, 37130, 38813, 40922, 48692, 49303, 51982, 58460, 60865, 73430, 74260, 77626, 81844, 82871, 98606, 102305, 103964, 121730, 129955, 137381, 146860, 155252, 165742, 194065, 197212, 204610, 243460, 246515, 259910, 271691, 274762, 331484, 345121, 388130, 409220, 414355, 493030, 519820, 543382, 549524, 580097, 686905, 690242, 776260, 828710, 961667, 986060, 1086764, 1160194, 1358455, 1373810, 1380484, 1657420, 1725605, 1824211, 1923334, 2320388, 2716910, 2747620, 2900485, 3066227, 3451210, 3648422, 3846668, 3894937, 4808335, 5433820, 5800970, 6132454, 6902420, 7296844, 7789874, 9121055, 9616670, 11601940, 12264908, 12769477, 15331135, 15579748, 18242110, 19233340, 19474685, 21463589, 25538954, 27264559, 30662270, 36484220, 38949370, 42927178, 51077908, 54529118, 61324540, 63847385, 77898740, 85854356, 107317945, 109058236, 127694770, 136322795, 144112669, 214635890, 255389540, 272645590, 288225338, 429271780, 545291180, 576450676, 720563345, 1008788683, 1441126690, 2017577366, 2882253380, 4035154732, 5043943415, 10087886830, 20175773660]

約数ペア:

[(1, 20175773660), (2, 10087886830), (4, 5043943415), (5, 4035154732), (7, 2882253380), (10, 2017577366), (14, 1441126690), (20, 1008788683), (28, 720563345), (35, 576450676), (37, 545291180), (47, 429271780), (70, 288225338), (74, 272645590), (79, 255389540), (94, 214635890), (140, 144112669), (148, 136322795), (158, 127694770), (185, 109058236), (188, 107317945), (235, 85854356), (259, 77898740), (316, 63847385), (329, 61324540), (370, 54529118), (395, 51077908), (470, 42927178), (518, 38949370), (553, 36484220), (658, 30662270), (740, 27264559), (790, 25538954), (940, 21463589), (1036, 19474685), (1049, 19233340), (1106, 18242110), (1295, 15579748), (1316, 15331135), (1580, 12769477), (1645, 12264908), (1739, 11601940), (2098, 9616670), (2212, 9121055), (2590, 7789874), (2765, 7296844), (2923, 6902420), (3290, 6132454), (3478, 5800970), (3713, 5433820), (4196, 4808335), (5180, 3894937), (5245, 3846668), (5530, 3648422), (5846, 3451210), (6580, 3066227), (6956, 2900485), (7343, 2747620), (7426, 2716910), (8695, 2320388), (10490, 1923334), (11060, 1824211), (11692, 1725605), (12173, 1657420), (14615, 1380484), (14686, 1373810), (14852, 1358455), (17390, 1160194), (18565, 1086764), (20461, 986060), (20980, 961667), (24346, 828710), (25991, 776260), (29230, 690242), (29372, 686905), (34780, 580097), (36715, 549524), (37130, 543382), (38813, 519820), (40922, 493030), (48692, 414355), (49303, 409220), (51982, 388130), (58460, 345121), (60865, 331484), (73430, 274762), (74260, 271691), (77626, 259910), (81844, 246515), (82871, 243460), (98606, 204610), (102305, 197212), (103964, 194065), (121730, 165742), (129955, 155252), (137381, 146860)]