20815707847870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34171}}^1\times {\mathrm{4685869}}^1$

素因数の和:4720060

約数の個数: 32

約数和(自身を含む): 40351638509280

約数和(自身を除く): 19535930661410

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 34171, 68342, 170855, 341710, 444223, 888446, 2221115, 4442230, 4685869, 9371738, 23429345, 46858690, 60916297, 121832594, 304581485, 609162970, 160120829599, 320241659198, 800604147995, 1601208295990, 2081570784787, 4163141569574, 10407853923935, 20815707847870]

約数ペア:

[(1, 20815707847870), (2, 10407853923935), (5, 4163141569574), (10, 2081570784787), (13, 1601208295990), (26, 800604147995), (65, 320241659198), (130, 160120829599), (34171, 609162970), (68342, 304581485), (170855, 121832594), (341710, 60916297), (444223, 46858690), (888446, 23429345), (2221115, 9371738), (4442230, 4685869)]