20403291248

素因数分解:

$2^4\times {\mathrm{37}}^2\times {\mathrm{931487}}^1$

素因数の和:931569

約数の個数: 30

約数和(自身を含む): 40628712096

約数和(自身を除く): 20225420848

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 1369, 2738, 5476, 10952, 21904, 931487, 1862974, 3725948, 7451896, 14903792, 34465019, 68930038, 137860076, 275720152, 551440304, 1275205703, 2550411406, 5100822812, 10201645624, 20403291248]

約数ペア:

[(1, 20403291248), (2, 10201645624), (4, 5100822812), (8, 2550411406), (16, 1275205703), (37, 551440304), (74, 275720152), (148, 137860076), (296, 68930038), (592, 34465019), (1369, 14903792), (2738, 7451896), (5476, 3725948), (10952, 1862974), (21904, 931487)]