20121053998

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2767}}^1\times {\mathrm{6173}}^1$

素因数の和:8992

約数の個数: 32

約数和(自身を含む): 32812093440

約数和(自身を除く): 12691039442

約数列:

[1, 2, 19, 31, 38, 62, 589, 1178, 2767, 5534, 6173, 12346, 52573, 85777, 105146, 117287, 171554, 191363, 234574, 382726, 1629763, 3259526, 3635897, 7271794, 17080691, 34161382, 324533129, 529501421, 649066258, 1059002842, 10060526999, 20121053998]

約数ペア:

[(1, 20121053998), (2, 10060526999), (19, 1059002842), (31, 649066258), (38, 529501421), (62, 324533129), (589, 34161382), (1178, 17080691), (2767, 7271794), (5534, 3635897), (6173, 3259526), (12346, 1629763), (52573, 382726), (85777, 234574), (105146, 191363), (117287, 171554)]