20135778

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3853}}^1$

素因数の和:3938

約数の個数: 32

約数和(自身を含む): 44028096

約数和(自身を除く): 23892318

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 201, 402, 871, 1742, 2613, 3853, 5226, 7706, 11559, 23118, 50089, 100178, 150267, 258151, 300534, 516302, 774453, 1548906, 3355963, 6711926, 10067889, 20135778]

約数ペア:

[(1, 20135778), (2, 10067889), (3, 6711926), (6, 3355963), (13, 1548906), (26, 774453), (39, 516302), (67, 300534), (78, 258151), (134, 150267), (201, 100178), (402, 50089), (871, 23118), (1742, 11559), (2613, 7706), (3853, 5226)]