20955075

素因数分解:

$3^1\times 5^2\times {\mathrm{271}}^1\times {\mathrm{1031}}^1$

素因数の和:1315

約数の個数: 24

約数和(自身を含む): 34807296

約数和(自身を除く): 13852221

約数列:

[1, 3, 5, 15, 25, 75, 271, 813, 1031, 1355, 3093, 4065, 5155, 6775, 15465, 20325, 25775, 77325, 279401, 838203, 1397005, 4191015, 6985025, 20955075]

約数ペア:

[(1, 20955075), (3, 6985025), (5, 4191015), (15, 1397005), (25, 838203), (75, 279401), (271, 77325), (813, 25775), (1031, 20325), (1355, 15465), (3093, 6775), (4065, 5155)]