20745858

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2729}}^1$

素因数の和:2922

約数の個数: 32

約数和(自身を含む): 47698560

約数和(自身を除く): 26952702

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 181, 362, 543, 1086, 1267, 2534, 2729, 3801, 5458, 7602, 8187, 16374, 19103, 38206, 57309, 114618, 493949, 987898, 1481847, 2963694, 3457643, 6915286, 10372929, 20745858]

約数ペア:

[(1, 20745858), (2, 10372929), (3, 6915286), (6, 3457643), (7, 2963694), (14, 1481847), (21, 987898), (42, 493949), (181, 114618), (362, 57309), (543, 38206), (1086, 19103), (1267, 16374), (2534, 8187), (2729, 7602), (3801, 5458)]