20156883315

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{1951}}^1$

素因数の和:2228

約数の個数: 64

約数和(自身を含む): 33393254400

約数和(自身を除く): 13236371085

約数列:

[1, 3, 5, 15, 71, 89, 109, 213, 267, 327, 355, 445, 545, 1065, 1335, 1635, 1951, 5853, 6319, 7739, 9701, 9755, 18957, 23217, 29103, 29265, 31595, 38695, 48505, 94785, 116085, 138521, 145515, 173639, 212659, 415563, 520917, 637977, 688771, 692605, 868195, 1063295, 2066313, 2077815, 2604585, 3189885, 3443855, 10331565, 12328369, 15098789, 18926651, 36985107, 45296367, 56779953, 61641845, 75493945, 94633255, 184925535, 226481835, 283899765, 1343792221, 4031376663, 6718961105, 20156883315]

約数ペア:

[(1, 20156883315), (3, 6718961105), (5, 4031376663), (15, 1343792221), (71, 283899765), (89, 226481835), (109, 184925535), (213, 94633255), (267, 75493945), (327, 61641845), (355, 56779953), (445, 45296367), (545, 36985107), (1065, 18926651), (1335, 15098789), (1635, 12328369), (1951, 10331565), (5853, 3443855), (6319, 3189885), (7739, 2604585), (9701, 2077815), (9755, 2066313), (18957, 1063295), (23217, 868195), (29103, 692605), (29265, 688771), (31595, 637977), (38695, 520917), (48505, 415563), (94785, 212659), (116085, 173639), (138521, 145515)]