20084028440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1010263}}^1$

素因数の和:1010352

約数の個数: 64

約数和(自身を含む): 52372085760

約数和(自身を除く): 32288057320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 9940, 19880, 1010263, 2020526, 4041052, 5051315, 7071841, 8082104, 10102630, 14143682, 20205260, 28287364, 35359205, 40410520, 56574728, 70718410, 71728673, 141436820, 143457346, 282873640, 286914692, 358643365, 502100711, 573829384, 717286730, 1004201422, 1434573460, 2008402844, 2510503555, 2869146920, 4016805688, 5021007110, 10042014220, 20084028440]

約数ペア:

[(1, 20084028440), (2, 10042014220), (4, 5021007110), (5, 4016805688), (7, 2869146920), (8, 2510503555), (10, 2008402844), (14, 1434573460), (20, 1004201422), (28, 717286730), (35, 573829384), (40, 502100711), (56, 358643365), (70, 286914692), (71, 282873640), (140, 143457346), (142, 141436820), (280, 71728673), (284, 70718410), (355, 56574728), (497, 40410520), (568, 35359205), (710, 28287364), (994, 20205260), (1420, 14143682), (1988, 10102630), (2485, 8082104), (2840, 7071841), (3976, 5051315), (4970, 4041052), (9940, 2020526), (19880, 1010263)]