20476585

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 28339200

約数和(自身を除く): 7862615

約数列:

[1, 5, 17, 19, 31, 85, 95, 155, 323, 409, 527, 589, 1615, 2045, 2635, 2945, 6953, 7771, 10013, 12679, 34765, 38855, 50065, 63395, 132107, 215543, 240901, 660535, 1077715, 1204505, 4095317, 20476585]

約数ペア:

[(1, 20476585), (5, 4095317), (17, 1204505), (19, 1077715), (31, 660535), (85, 240901), (95, 215543), (155, 132107), (323, 63395), (409, 50065), (527, 38855), (589, 34765), (1615, 12679), (2045, 10013), (2635, 7771), (2945, 6953)]