20455938

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{113}}^2$

素因数の和:323

約数の個数: 36

約数和(自身を含む): 45219330

約数和(自身を除く): 24763392

約数列:

[1, 2, 3, 6, 9, 18, 89, 113, 178, 226, 267, 339, 534, 678, 801, 1017, 1602, 2034, 10057, 12769, 20114, 25538, 30171, 38307, 60342, 76614, 90513, 114921, 181026, 229842, 1136441, 2272882, 3409323, 6818646, 10227969, 20455938]

約数ペア:

[(1, 20455938), (2, 10227969), (3, 6818646), (6, 3409323), (9, 2272882), (18, 1136441), (89, 229842), (113, 181026), (178, 114921), (226, 90513), (267, 76614), (339, 60342), (534, 38307), (678, 30171), (801, 25538), (1017, 20114), (1602, 12769), (2034, 10057)]