20123100308

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2285677}}^1$

素因数の和:2285783

約数の個数: 24

約数和(自身を含む): 36863414784

約数和(自身を除く): 16740314476

約数列:

[1, 2, 4, 31, 62, 71, 124, 142, 284, 2201, 4402, 8804, 2285677, 4571354, 9142708, 70855987, 141711974, 162283067, 283423948, 324566134, 649132268, 5030775077, 10061550154, 20123100308]

約数ペア:

[(1, 20123100308), (2, 10061550154), (4, 5030775077), (31, 649132268), (62, 324566134), (71, 283423948), (124, 162283067), (142, 141711974), (284, 70855987), (2201, 9142708), (4402, 4571354), (8804, 2285677)]