20280075

素因数分解:

$3^1\times 5^2\times {\mathrm{317}}^1\times {\mathrm{853}}^1$

素因数の和:1183

約数の個数: 24

約数和(自身を含む): 33674928

約数和(自身を除く): 13394853

約数列:

[1, 3, 5, 15, 25, 75, 317, 853, 951, 1585, 2559, 4265, 4755, 7925, 12795, 21325, 23775, 63975, 270401, 811203, 1352005, 4056015, 6760025, 20280075]

約数ペア:

[(1, 20280075), (3, 6760025), (5, 4056015), (15, 1352005), (25, 811203), (75, 270401), (317, 63975), (853, 23775), (951, 21325), (1585, 12795), (2559, 7925), (4265, 4755)]