20318370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16519}}^1$

素因数の和:16570

約数の個数: 32

約数和(自身を含む): 49956480

約数和(自身を除く): 29638110

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 16519, 33038, 49557, 82595, 99114, 165190, 247785, 495570, 677279, 1354558, 2031837, 3386395, 4063674, 6772790, 10159185, 20318370]

約数ペア:

[(1, 20318370), (2, 10159185), (3, 6772790), (5, 4063674), (6, 3386395), (10, 2031837), (15, 1354558), (30, 677279), (41, 495570), (82, 247785), (123, 165190), (205, 99114), (246, 82595), (410, 49557), (615, 33038), (1230, 16519)]