20346990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1531}}^1$

素因数の和:1984

約数の個数: 32

約数和(自身を含む): 48974976

約数和(自身を除く): 28627986

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 443, 886, 1329, 1531, 2215, 2658, 3062, 4430, 4593, 6645, 7655, 9186, 13290, 15310, 22965, 45930, 678233, 1356466, 2034699, 3391165, 4069398, 6782330, 10173495, 20346990]

約数ペア:

[(1, 20346990), (2, 10173495), (3, 6782330), (5, 4069398), (6, 3391165), (10, 2034699), (15, 1356466), (30, 678233), (443, 45930), (886, 22965), (1329, 15310), (1531, 13290), (2215, 9186), (2658, 7655), (3062, 6645), (4430, 4593)]