20933115

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2731}}^1$

素因数の和:2819

約数の個数: 32

約数和(自身を含む): 38816256

約数和(自身を除く): 17883141

約数列:

[1, 3, 5, 7, 15, 21, 35, 73, 105, 219, 365, 511, 1095, 1533, 2555, 2731, 7665, 8193, 13655, 19117, 40965, 57351, 95585, 199363, 286755, 598089, 996815, 1395541, 2990445, 4186623, 6977705, 20933115]

約数ペア:

[(1, 20933115), (3, 6977705), (5, 4186623), (7, 2990445), (15, 1395541), (21, 996815), (35, 598089), (73, 286755), (105, 199363), (219, 95585), (365, 57351), (511, 40965), (1095, 19117), (1533, 13655), (2555, 8193), (2731, 7665)]