20722446

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{12379}}^1$

素因数の和:12421

約数の個数: 32

約数和(自身を含む): 47539200

約数和(自身を除く): 26816754

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 279, 558, 837, 1674, 12379, 24758, 37137, 74274, 111411, 222822, 334233, 383749, 668466, 767498, 1151247, 2302494, 3453741, 6907482, 10361223, 20722446]

約数ペア:

[(1, 20722446), (2, 10361223), (3, 6907482), (6, 3453741), (9, 2302494), (18, 1151247), (27, 767498), (31, 668466), (54, 383749), (62, 334233), (93, 222822), (186, 111411), (279, 74274), (558, 37137), (837, 24758), (1674, 12379)]