20353816

素因数分解:

$2^3\times 7^2\times {\mathrm{137}}^1\times {\mathrm{379}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 44836200

約数和(自身を除く): 24482384

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 137, 196, 274, 379, 392, 548, 758, 959, 1096, 1516, 1918, 2653, 3032, 3836, 5306, 6713, 7672, 10612, 13426, 18571, 21224, 26852, 37142, 51923, 53704, 74284, 103846, 148568, 207692, 363461, 415384, 726922, 1453844, 2544227, 2907688, 5088454, 10176908, 20353816]

約数ペア:

[(1, 20353816), (2, 10176908), (4, 5088454), (7, 2907688), (8, 2544227), (14, 1453844), (28, 726922), (49, 415384), (56, 363461), (98, 207692), (137, 148568), (196, 103846), (274, 74284), (379, 53704), (392, 51923), (548, 37142), (758, 26852), (959, 21224), (1096, 18571), (1516, 13426), (1918, 10612), (2653, 7672), (3032, 6713), (3836, 5306)]