20033775

素因数分解:

$3^2\times 5^2\times {\mathrm{269}}^1\times {\mathrm{331}}^1$

素因数の和:616

約数の個数: 36

約数和(自身を含む): 36124920

約数和(自身を除く): 16091145

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 269, 331, 807, 993, 1345, 1655, 2421, 2979, 4035, 4965, 6725, 8275, 12105, 14895, 20175, 24825, 60525, 74475, 89039, 267117, 445195, 801351, 1335585, 2225975, 4006755, 6677925, 20033775]

約数ペア:

[(1, 20033775), (3, 6677925), (5, 4006755), (9, 2225975), (15, 1335585), (25, 801351), (45, 445195), (75, 267117), (225, 89039), (269, 74475), (331, 60525), (807, 24825), (993, 20175), (1345, 14895), (1655, 12105), (2421, 8275), (2979, 6725), (4035, 4965)]