20482904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5323}}^1$

素因数の和:5379

約数の個数: 32

約数和(自身を含む): 42485520

約数和(自身を除く): 22002616

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 5323, 10646, 21292, 42584, 69199, 138398, 196951, 276796, 393902, 553592, 787804, 1575608, 2560363, 5120726, 10241452, 20482904]

約数ペア:

[(1, 20482904), (2, 10241452), (4, 5120726), (8, 2560363), (13, 1575608), (26, 787804), (37, 553592), (52, 393902), (74, 276796), (104, 196951), (148, 138398), (296, 69199), (481, 42584), (962, 21292), (1924, 10646), (3848, 5323)]