20692908

素因数分解:

$2^2\times 3^5\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 55291600

約数和(自身を除く): 34598692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 81, 108, 122, 162, 183, 243, 244, 324, 349, 366, 486, 549, 698, 732, 972, 1047, 1098, 1396, 1647, 2094, 2196, 3141, 3294, 4188, 4941, 6282, 6588, 9423, 9882, 12564, 14823, 18846, 19764, 21289, 28269, 29646, 37692, 42578, 56538, 59292, 63867, 84807, 85156, 113076, 127734, 169614, 191601, 255468, 339228, 383202, 574803, 766404, 1149606, 1724409, 2299212, 3448818, 5173227, 6897636, 10346454, 20692908]

約数ペア:

[(1, 20692908), (2, 10346454), (3, 6897636), (4, 5173227), (6, 3448818), (9, 2299212), (12, 1724409), (18, 1149606), (27, 766404), (36, 574803), (54, 383202), (61, 339228), (81, 255468), (108, 191601), (122, 169614), (162, 127734), (183, 113076), (243, 85156), (244, 84807), (324, 63867), (349, 59292), (366, 56538), (486, 42578), (549, 37692), (698, 29646), (732, 28269), (972, 21289), (1047, 19764), (1098, 18846), (1396, 14823), (1647, 12564), (2094, 9882), (2196, 9423), (3141, 6588), (3294, 6282), (4188, 4941)]