20172534520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{152039}}^1$

素因数の和:152188

約数の個数: 64

約数和(自身を含む): 47290521600

約数和(自身を除く): 27117987080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 107, 124, 155, 214, 248, 310, 428, 535, 620, 856, 1070, 1240, 2140, 3317, 4280, 6634, 13268, 16585, 26536, 33170, 66340, 132680, 152039, 304078, 608156, 760195, 1216312, 1520390, 3040780, 4713209, 6081560, 9426418, 16268173, 18852836, 23566045, 32536346, 37705672, 47132090, 65072692, 81340865, 94264180, 130145384, 162681730, 188528360, 325363460, 504313363, 650726920, 1008626726, 2017253452, 2521566815, 4034506904, 5043133630, 10086267260, 20172534520]

約数ペア:

[(1, 20172534520), (2, 10086267260), (4, 5043133630), (5, 4034506904), (8, 2521566815), (10, 2017253452), (20, 1008626726), (31, 650726920), (40, 504313363), (62, 325363460), (107, 188528360), (124, 162681730), (155, 130145384), (214, 94264180), (248, 81340865), (310, 65072692), (428, 47132090), (535, 37705672), (620, 32536346), (856, 23566045), (1070, 18852836), (1240, 16268173), (2140, 9426418), (3317, 6081560), (4280, 4713209), (6634, 3040780), (13268, 1520390), (16585, 1216312), (26536, 760195), (33170, 608156), (66340, 304078), (132680, 152039)]