20626408

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7561}}^1$

素因数の和:7609

約数の個数: 32

約数和(自身を含む): 43557120

約数和(自身を除く): 22930712

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 7561, 15122, 30244, 60488, 83171, 166342, 234391, 332684, 468782, 665368, 937564, 1875128, 2578301, 5156602, 10313204, 20626408]

約数ペア:

[(1, 20626408), (2, 10313204), (4, 5156602), (8, 2578301), (11, 1875128), (22, 937564), (31, 665368), (44, 468782), (62, 332684), (88, 234391), (124, 166342), (248, 83171), (341, 60488), (682, 30244), (1364, 15122), (2728, 7561)]