20560936

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7537}}^1$

素因数の和:7585

約数の個数: 32

約数和(自身を含む): 43418880

約数和(自身を除く): 22857944

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 7537, 15074, 30148, 60296, 82907, 165814, 233647, 331628, 467294, 663256, 934588, 1869176, 2570117, 5140234, 10280468, 20560936]

約数ペア:

[(1, 20560936), (2, 10280468), (4, 5140234), (8, 2570117), (11, 1869176), (22, 934588), (31, 663256), (44, 467294), (62, 331628), (88, 233647), (124, 165814), (248, 82907), (341, 60296), (682, 30148), (1364, 15074), (2728, 7537)]