20309880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{169249}}^1$

素因数の和:169263

約数の個数: 32

約数和(自身を含む): 60930000

約数和(自身を除く): 40620120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 169249, 338498, 507747, 676996, 846245, 1015494, 1353992, 1692490, 2030988, 2538735, 3384980, 4061976, 5077470, 6769960, 10154940, 20309880]

約数ペア:

[(1, 20309880), (2, 10154940), (3, 6769960), (4, 5077470), (5, 4061976), (6, 3384980), (8, 2538735), (10, 2030988), (12, 1692490), (15, 1353992), (20, 1015494), (24, 846245), (30, 676996), (40, 507747), (60, 338498), (120, 169249)]