20512971326

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1\times {\mathrm{2251}}^1$

素因数の和:2780

約数の個数: 32

約数和(自身を含む): 31382160480

約数和(自身を除く): 10869189154

約数列:

[1, 2, 101, 197, 202, 229, 394, 458, 2251, 4502, 19897, 23129, 39794, 45113, 46258, 90226, 227351, 443447, 454702, 515479, 886894, 1030958, 4556413, 9112826, 44788147, 52063379, 89576294, 101549363, 104126758, 203098726, 10256485663, 20512971326]

約数ペア:

[(1, 20512971326), (2, 10256485663), (101, 203098726), (197, 104126758), (202, 101549363), (229, 89576294), (394, 52063379), (458, 44788147), (2251, 9112826), (4502, 4556413), (19897, 1030958), (23129, 886894), (39794, 515479), (45113, 454702), (46258, 443447), (90226, 227351)]