20163219950

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2251}}^1\times {\mathrm{5779}}^1$

素因数の和:8073

約数の個数: 48

約数和(自身を含む): 38737282560

約数和(自身を除く): 18574062610

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 2251, 4502, 5779, 11255, 11558, 22510, 28895, 56275, 57790, 69781, 112550, 139562, 144475, 179149, 288950, 348905, 358298, 697810, 895745, 1744525, 1791490, 3489050, 4478725, 8957450, 13008529, 26017058, 65042645, 130085290, 325213225, 403264399, 650426450, 806528798, 2016321995, 4032643990, 10081609975, 20163219950]

約数ペア:

[(1, 20163219950), (2, 10081609975), (5, 4032643990), (10, 2016321995), (25, 806528798), (31, 650426450), (50, 403264399), (62, 325213225), (155, 130085290), (310, 65042645), (775, 26017058), (1550, 13008529), (2251, 8957450), (4502, 4478725), (5779, 3489050), (11255, 1791490), (11558, 1744525), (22510, 895745), (28895, 697810), (56275, 358298), (57790, 348905), (69781, 288950), (112550, 179149), (139562, 144475)]