20512474550

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2143}}^1\times {\mathrm{11261}}^1$

素因数の和:13433

約数の個数: 48

約数和(自身を含む): 40419948672

約数和(自身を除く): 19907474122

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850, 2143, 4286, 10715, 11261, 21430, 22522, 36431, 53575, 56305, 72862, 107150, 112610, 182155, 191437, 281525, 364310, 382874, 563050, 910775, 957185, 1821550, 1914370, 4785925, 9571850, 24132323, 48264646, 120661615, 241323230, 410249491, 603308075, 820498982, 1206616150, 2051247455, 4102494910, 10256237275, 20512474550]

約数ペア:

[(1, 20512474550), (2, 10256237275), (5, 4102494910), (10, 2051247455), (17, 1206616150), (25, 820498982), (34, 603308075), (50, 410249491), (85, 241323230), (170, 120661615), (425, 48264646), (850, 24132323), (2143, 9571850), (4286, 4785925), (10715, 1914370), (11261, 1821550), (21430, 957185), (22522, 910775), (36431, 563050), (53575, 382874), (56305, 364310), (72862, 281525), (107150, 191437), (112610, 182155)]