20199821210

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1\times {\mathrm{2251}}^1$

素因数の和:2679

約数の個数: 64

約数和(自身を含む): 37879432704

約数和(自身を除く): 17679611494

約数列:

[1, 2, 5, 10, 47, 61, 94, 122, 235, 305, 313, 470, 610, 626, 1565, 2251, 2867, 3130, 4502, 5734, 11255, 14335, 14711, 19093, 22510, 28670, 29422, 38186, 73555, 95465, 105797, 137311, 147110, 190930, 211594, 274622, 528985, 686555, 704563, 897371, 1057970, 1373110, 1409126, 1794742, 3522815, 4486855, 6453617, 7045630, 8973710, 12907234, 32268085, 33114461, 42978343, 64536170, 66228922, 85956686, 165572305, 214891715, 331144610, 429783430, 2019982121, 4039964242, 10099910605, 20199821210]

約数ペア:

[(1, 20199821210), (2, 10099910605), (5, 4039964242), (10, 2019982121), (47, 429783430), (61, 331144610), (94, 214891715), (122, 165572305), (235, 85956686), (305, 66228922), (313, 64536170), (470, 42978343), (610, 33114461), (626, 32268085), (1565, 12907234), (2251, 8973710), (2867, 7045630), (3130, 6453617), (4502, 4486855), (5734, 3522815), (11255, 1794742), (14335, 1409126), (14711, 1373110), (19093, 1057970), (22510, 897371), (28670, 704563), (29422, 686555), (38186, 528985), (73555, 274622), (95465, 211594), (105797, 190930), (137311, 147110)]