20660919200

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1359271}}^1$

素因数の和:1359310

約数の個数: 72

約数和(自身を含む): 53093164320

約数和(自身を除く): 32432245120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 152, 160, 190, 200, 304, 380, 400, 475, 608, 760, 800, 950, 1520, 1900, 3040, 3800, 7600, 15200, 1359271, 2718542, 5437084, 6796355, 10874168, 13592710, 21748336, 25826149, 27185420, 33981775, 43496672, 51652298, 54370840, 67963550, 103304596, 108741680, 129130745, 135927100, 206609192, 217483360, 258261490, 271854200, 413218384, 516522980, 543708400, 645653725, 826436768, 1033045960, 1087416800, 1291307450, 2066091920, 2582614900, 4132183840, 5165229800, 10330459600, 20660919200]

約数ペア:

[(1, 20660919200), (2, 10330459600), (4, 5165229800), (5, 4132183840), (8, 2582614900), (10, 2066091920), (16, 1291307450), (19, 1087416800), (20, 1033045960), (25, 826436768), (32, 645653725), (38, 543708400), (40, 516522980), (50, 413218384), (76, 271854200), (80, 258261490), (95, 217483360), (100, 206609192), (152, 135927100), (160, 129130745), (190, 108741680), (200, 103304596), (304, 67963550), (380, 54370840), (400, 51652298), (475, 43496672), (608, 33981775), (760, 27185420), (800, 25826149), (950, 21748336), (1520, 13592710), (1900, 10874168), (3040, 6796355), (3800, 5437084), (7600, 2718542), (15200, 1359271)]