20257488

素因数分解:

$2^4\times 3^2\times {\mathrm{140677}}^1$

素因数の和:140691

約数の個数: 30

約数和(自身を含む): 56693234

約数和(自身を除く): 36435746

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 140677, 281354, 422031, 562708, 844062, 1125416, 1266093, 1688124, 2250832, 2532186, 3376248, 5064372, 6752496, 10128744, 20257488]

約数ペア:

[(1, 20257488), (2, 10128744), (3, 6752496), (4, 5064372), (6, 3376248), (8, 2532186), (9, 2250832), (12, 1688124), (16, 1266093), (18, 1125416), (24, 844062), (36, 562708), (48, 422031), (72, 281354), (144, 140677)]