20403976352

素因数分解:

$2^5\times {\mathrm{317}}^1\times {\mathrm{709}}^1\times {\mathrm{2837}}^1$

素因数の和:3873

約数の個数: 48

約数和(自身を含む): 40368109320

約数和(自身を除く): 19964132968

約数列:

[1, 2, 4, 8, 16, 32, 317, 634, 709, 1268, 1418, 2536, 2836, 2837, 5072, 5672, 5674, 10144, 11344, 11348, 22688, 22696, 45392, 90784, 224753, 449506, 899012, 899329, 1798024, 1798658, 2011433, 3596048, 3597316, 4022866, 7192096, 7194632, 8045732, 14389264, 16091464, 28778528, 32182928, 64365856, 637624261, 1275248522, 2550497044, 5100994088, 10201988176, 20403976352]

約数ペア:

[(1, 20403976352), (2, 10201988176), (4, 5100994088), (8, 2550497044), (16, 1275248522), (32, 637624261), (317, 64365856), (634, 32182928), (709, 28778528), (1268, 16091464), (1418, 14389264), (2536, 8045732), (2836, 7194632), (2837, 7192096), (5072, 4022866), (5672, 3597316), (5674, 3596048), (10144, 2011433), (11344, 1798658), (11348, 1798024), (22688, 899329), (22696, 899012), (45392, 449506), (90784, 224753)]