20949630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53717}}^1$

素因数の和:53740

約数の個数: 32

約数和(自身を含む): 54147744

約数和(自身を除く): 33198114

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 53717, 107434, 161151, 268585, 322302, 537170, 698321, 805755, 1396642, 1611510, 2094963, 3491605, 4189926, 6983210, 10474815, 20949630]

約数ペア:

[(1, 20949630), (2, 10474815), (3, 6983210), (5, 4189926), (6, 3491605), (10, 2094963), (13, 1611510), (15, 1396642), (26, 805755), (30, 698321), (39, 537170), (65, 322302), (78, 268585), (130, 161151), (195, 107434), (390, 53717)]