20680266

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{541}}^1$

素因数の和:846

約数の個数: 32

約数和(自身を含む): 43394688

約数和(自身を除く): 22714422

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 277, 541, 554, 831, 1082, 1623, 1662, 3246, 6371, 12443, 12742, 19113, 24886, 37329, 38226, 74658, 149857, 299714, 449571, 899142, 3446711, 6893422, 10340133, 20680266]

約数ペア:

[(1, 20680266), (2, 10340133), (3, 6893422), (6, 3446711), (23, 899142), (46, 449571), (69, 299714), (138, 149857), (277, 74658), (541, 38226), (554, 37329), (831, 24886), (1082, 19113), (1623, 12742), (1662, 12443), (3246, 6371)]