20091675

素因数分解:

$3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{3391}}^1$

素因数の和:3483

約数の個数: 24

約数和(自身を含む): 33648640

約数和(自身を除く): 13556965

約数列:

[1, 3, 5, 15, 25, 75, 79, 237, 395, 1185, 1975, 3391, 5925, 10173, 16955, 50865, 84775, 254325, 267889, 803667, 1339445, 4018335, 6697225, 20091675]

約数ペア:

[(1, 20091675), (3, 6697225), (5, 4018335), (15, 1339445), (25, 803667), (75, 267889), (79, 254325), (237, 84775), (395, 50865), (1185, 16955), (1975, 10173), (3391, 5925)]