20617488

素因数分解:

$2^4\times 3^2\times {\mathrm{143177}}^1$

素因数の和:143191

約数の個数: 30

約数和(自身を含む): 57700734

約数和(自身を除く): 37083246

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 143177, 286354, 429531, 572708, 859062, 1145416, 1288593, 1718124, 2290832, 2577186, 3436248, 5154372, 6872496, 10308744, 20617488]

約数ペア:

[(1, 20617488), (2, 10308744), (3, 6872496), (4, 5154372), (6, 3436248), (8, 2577186), (9, 2290832), (12, 1718124), (16, 1288593), (18, 1145416), (24, 859062), (36, 572708), (48, 429531), (72, 286354), (144, 143177)]