20180472

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{911}}^1$

素因数の和:1004

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 34977288

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 71, 78, 104, 142, 156, 213, 284, 312, 426, 568, 852, 911, 923, 1704, 1822, 1846, 2733, 2769, 3644, 3692, 5466, 5538, 7288, 7384, 10932, 11076, 11843, 21864, 22152, 23686, 35529, 47372, 64681, 71058, 94744, 129362, 142116, 194043, 258724, 284232, 388086, 517448, 776172, 840853, 1552344, 1681706, 2522559, 3363412, 5045118, 6726824, 10090236, 20180472]

約数ペア:

[(1, 20180472), (2, 10090236), (3, 6726824), (4, 5045118), (6, 3363412), (8, 2522559), (12, 1681706), (13, 1552344), (24, 840853), (26, 776172), (39, 517448), (52, 388086), (71, 284232), (78, 258724), (104, 194043), (142, 142116), (156, 129362), (213, 94744), (284, 71058), (312, 64681), (426, 47372), (568, 35529), (852, 23686), (911, 22152), (923, 21864), (1704, 11843), (1822, 11076), (1846, 10932), (2733, 7384), (2769, 7288), (3644, 5538), (3692, 5466)]