20294300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 48340656

約数和(自身を除く): 28046356

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 67, 100, 130, 134, 233, 260, 268, 325, 335, 466, 650, 670, 871, 932, 1165, 1300, 1340, 1675, 1742, 2330, 3029, 3350, 3484, 4355, 4660, 5825, 6058, 6700, 8710, 11650, 12116, 15145, 15611, 17420, 21775, 23300, 30290, 31222, 43550, 60580, 62444, 75725, 78055, 87100, 151450, 156110, 202943, 302900, 312220, 390275, 405886, 780550, 811772, 1014715, 1561100, 2029430, 4058860, 5073575, 10147150, 20294300]

約数ペア:

[(1, 20294300), (2, 10147150), (4, 5073575), (5, 4058860), (10, 2029430), (13, 1561100), (20, 1014715), (25, 811772), (26, 780550), (50, 405886), (52, 390275), (65, 312220), (67, 302900), (100, 202943), (130, 156110), (134, 151450), (233, 87100), (260, 78055), (268, 75725), (325, 62444), (335, 60580), (466, 43550), (650, 31222), (670, 30290), (871, 23300), (932, 21775), (1165, 17420), (1300, 15611), (1340, 15145), (1675, 12116), (1742, 11650), (2330, 8710), (3029, 6700), (3350, 6058), (3484, 5825), (4355, 4660)]