20220850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{2393}}^1$

素因数の和:2431

約数の個数: 36

約数和(自身を含む): 40743486

約数和(自身を除く): 20522636

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 2393, 4225, 4786, 8450, 11965, 23930, 31109, 59825, 62218, 119650, 155545, 311090, 404417, 777725, 808834, 1555450, 2022085, 4044170, 10110425, 20220850]

約数ペア:

[(1, 20220850), (2, 10110425), (5, 4044170), (10, 2022085), (13, 1555450), (25, 808834), (26, 777725), (50, 404417), (65, 311090), (130, 155545), (169, 119650), (325, 62218), (338, 59825), (650, 31109), (845, 23930), (1690, 11965), (2393, 8450), (4225, 4786)]