20712304

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{593}}^1$

素因数の和:697

約数の個数: 40

約数和(自身を含む): 41983920

約数和(自身を除く): 21271616

約数列:

[1, 2, 4, 8, 16, 37, 59, 74, 118, 148, 236, 296, 472, 592, 593, 944, 1186, 2183, 2372, 4366, 4744, 8732, 9488, 17464, 21941, 34928, 34987, 43882, 69974, 87764, 139948, 175528, 279896, 351056, 559792, 1294519, 2589038, 5178076, 10356152, 20712304]

約数ペア:

[(1, 20712304), (2, 10356152), (4, 5178076), (8, 2589038), (16, 1294519), (37, 559792), (59, 351056), (74, 279896), (118, 175528), (148, 139948), (236, 87764), (296, 69974), (472, 43882), (592, 34987), (593, 34928), (944, 21941), (1186, 17464), (2183, 9488), (2372, 8732), (4366, 4744)]