20433090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 50948352

約数和(自身を除く): 30515262

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 71, 106, 142, 159, 181, 213, 265, 318, 355, 362, 426, 530, 543, 710, 795, 905, 1065, 1086, 1590, 1810, 2130, 2715, 3763, 5430, 7526, 9593, 11289, 12851, 18815, 19186, 22578, 25702, 28779, 37630, 38553, 47965, 56445, 57558, 64255, 77106, 95930, 112890, 128510, 143895, 192765, 287790, 385530, 681103, 1362206, 2043309, 3405515, 4086618, 6811030, 10216545, 20433090]

約数ペア:

[(1, 20433090), (2, 10216545), (3, 6811030), (5, 4086618), (6, 3405515), (10, 2043309), (15, 1362206), (30, 681103), (53, 385530), (71, 287790), (106, 192765), (142, 143895), (159, 128510), (181, 112890), (213, 95930), (265, 77106), (318, 64255), (355, 57558), (362, 56445), (426, 47965), (530, 38553), (543, 37630), (710, 28779), (795, 25702), (905, 22578), (1065, 19186), (1086, 18815), (1590, 12851), (1810, 11289), (2130, 9593), (2715, 7526), (3763, 5430)]