20173956112

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{283}}^1\times {\mathrm{73039}}^1$

素因数の和:73391

約数の個数: 40

約数和(自身を含む): 39868737920

約数和(自身を除く): 19694781808

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 283, 488, 566, 976, 1132, 2264, 4528, 17263, 34526, 69052, 73039, 138104, 146078, 276208, 292156, 584312, 1168624, 4455379, 8910758, 17821516, 20670037, 35643032, 41340074, 71286064, 82680148, 165360296, 330720592, 1260872257, 2521744514, 5043489028, 10086978056, 20173956112]

約数ペア:

[(1, 20173956112), (2, 10086978056), (4, 5043489028), (8, 2521744514), (16, 1260872257), (61, 330720592), (122, 165360296), (244, 82680148), (283, 71286064), (488, 41340074), (566, 35643032), (976, 20670037), (1132, 17821516), (2264, 8910758), (4528, 4455379), (17263, 1168624), (34526, 584312), (69052, 292156), (73039, 276208), (138104, 146078)]