20789788

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{1163}}^1$

素因数の和:1317

約数の個数: 24

約数和(自身を含む): 37643760

約数和(自身を除く): 16853972

約数列:

[1, 2, 4, 41, 82, 109, 164, 218, 436, 1163, 2326, 4469, 4652, 8938, 17876, 47683, 95366, 126767, 190732, 253534, 507068, 5197447, 10394894, 20789788]

約数ペア:

[(1, 20789788), (2, 10394894), (4, 5197447), (41, 507068), (82, 253534), (109, 190732), (164, 126767), (218, 95366), (436, 47683), (1163, 17876), (2326, 8938), (4469, 4652)]