20854875

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{2927}}^1$

素因数の和:2964

約数の個数: 32

約数和(自身を含む): 36541440

約数和(自身を除く): 15686565

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 285, 375, 475, 1425, 2375, 2927, 7125, 8781, 14635, 43905, 55613, 73175, 166839, 219525, 278065, 365875, 834195, 1097625, 1390325, 4170975, 6951625, 20854875]

約数ペア:

[(1, 20854875), (3, 6951625), (5, 4170975), (15, 1390325), (19, 1097625), (25, 834195), (57, 365875), (75, 278065), (95, 219525), (125, 166839), (285, 73175), (375, 55613), (475, 43905), (1425, 14635), (2375, 8781), (2927, 7125)]