20465595

素因数分解:

$3^3\times 5^1\times {\mathrm{151597}}^1$

素因数の和:151611

約数の個数: 16

約数和(自身を含む): 36383520

約数和(自身を除く): 15917925

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 151597, 454791, 757985, 1364373, 2273955, 4093119, 6821865, 20465595]

約数ペア:

[(1, 20465595), (3, 6821865), (5, 4093119), (9, 2273955), (15, 1364373), (27, 757985), (45, 454791), (135, 151597)]