20254960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23017}}^1$

素因数の和:23041

約数の個数: 40

約数和(自身を含む): 51376176

約数和(自身を除く): 31121216

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 23017, 46034, 92068, 115085, 184136, 230170, 253187, 368272, 460340, 506374, 920680, 1012748, 1265935, 1841360, 2025496, 2531870, 4050992, 5063740, 10127480, 20254960]

約数ペア:

[(1, 20254960), (2, 10127480), (4, 5063740), (5, 4050992), (8, 2531870), (10, 2025496), (11, 1841360), (16, 1265935), (20, 1012748), (22, 920680), (40, 506374), (44, 460340), (55, 368272), (80, 253187), (88, 230170), (110, 184136), (176, 115085), (220, 92068), (440, 46034), (880, 23017)]