20870538

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{5693}}^1$

素因数の和:5758

約数の個数: 32

約数和(自身を含む): 45916416

約数和(自身を除く): 25045878

約数列:

[1, 2, 3, 6, 13, 26, 39, 47, 78, 94, 141, 282, 611, 1222, 1833, 3666, 5693, 11386, 17079, 34158, 74009, 148018, 222027, 267571, 444054, 535142, 802713, 1605426, 3478423, 6956846, 10435269, 20870538]

約数ペア:

[(1, 20870538), (2, 10435269), (3, 6956846), (6, 3478423), (13, 1605426), (26, 802713), (39, 535142), (47, 444054), (78, 267571), (94, 222027), (141, 148018), (282, 74009), (611, 34158), (1222, 17079), (1833, 11386), (3666, 5693)]