20481630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52517}}^1$

素因数の和:52540

約数の個数: 32

約数和(自身を含む): 52938144

約数和(自身を除く): 32456514

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 52517, 105034, 157551, 262585, 315102, 525170, 682721, 787755, 1365442, 1575510, 2048163, 3413605, 4096326, 6827210, 10240815, 20481630]

約数ペア:

[(1, 20481630), (2, 10240815), (3, 6827210), (5, 4096326), (6, 3413605), (10, 2048163), (13, 1575510), (15, 1365442), (26, 787755), (30, 682721), (39, 525170), (65, 315102), (78, 262585), (130, 157551), (195, 105034), (390, 52517)]