20802954928

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3044929}}^1$

素因数の和:3045005

約数の個数: 40

約数和(自身を含む): 46818843680

約数和(自身を除く): 26015888752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 854, 976, 1708, 3416, 6832, 3044929, 6089858, 12179716, 21314503, 24359432, 42629006, 48718864, 85258012, 170516024, 185740669, 341032048, 371481338, 742962676, 1300184683, 1485925352, 2600369366, 2971850704, 5200738732, 10401477464, 20802954928]

約数ペア:

[(1, 20802954928), (2, 10401477464), (4, 5200738732), (7, 2971850704), (8, 2600369366), (14, 1485925352), (16, 1300184683), (28, 742962676), (56, 371481338), (61, 341032048), (112, 185740669), (122, 170516024), (244, 85258012), (427, 48718864), (488, 42629006), (854, 24359432), (976, 21314503), (1708, 12179716), (3416, 6089858), (6832, 3044929)]