20047080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:379

約数の個数: 128

約数和(自身を含む): 65940480

約数和(自身を除く): 45893400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 248, 255, 310, 317, 340, 372, 408, 465, 510, 527, 620, 634, 680, 744, 930, 951, 1020, 1054, 1240, 1268, 1581, 1585, 1860, 1902, 2040, 2108, 2536, 2635, 3162, 3170, 3720, 3804, 4216, 4755, 5270, 5389, 6324, 6340, 7608, 7905, 9510, 9827, 10540, 10778, 12648, 12680, 15810, 16167, 19020, 19654, 21080, 21556, 26945, 29481, 31620, 32334, 38040, 39308, 43112, 49135, 53890, 58962, 63240, 64668, 78616, 80835, 98270, 107780, 117924, 129336, 147405, 161670, 167059, 196540, 215560, 235848, 294810, 323340, 334118, 393080, 501177, 589620, 646680, 668236, 835295, 1002354, 1179240, 1336472, 1670590, 2004708, 2505885, 3341180, 4009416, 5011770, 6682360, 10023540, 20047080]

約数ペア:

[(1, 20047080), (2, 10023540), (3, 6682360), (4, 5011770), (5, 4009416), (6, 3341180), (8, 2505885), (10, 2004708), (12, 1670590), (15, 1336472), (17, 1179240), (20, 1002354), (24, 835295), (30, 668236), (31, 646680), (34, 589620), (40, 501177), (51, 393080), (60, 334118), (62, 323340), (68, 294810), (85, 235848), (93, 215560), (102, 196540), (120, 167059), (124, 161670), (136, 147405), (155, 129336), (170, 117924), (186, 107780), (204, 98270), (248, 80835), (255, 78616), (310, 64668), (317, 63240), (340, 58962), (372, 53890), (408, 49135), (465, 43112), (510, 39308), (527, 38040), (620, 32334), (634, 31620), (680, 29481), (744, 26945), (930, 21556), (951, 21080), (1020, 19654), (1054, 19020), (1240, 16167), (1268, 15810), (1581, 12680), (1585, 12648), (1860, 10778), (1902, 10540), (2040, 9827), (2108, 9510), (2536, 7905), (2635, 7608), (3162, 6340), (3170, 6324), (3720, 5389), (3804, 5270), (4216, 4755)]