20465456

素因数分解:

$2^4\times {\mathrm{11}}^3\times {\mathrm{31}}^2$

素因数の和:103

約数の個数: 60

約数和(自身を含む): 45066312

約数和(自身を除く): 24600856

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 121, 124, 176, 242, 248, 341, 484, 496, 682, 961, 968, 1331, 1364, 1922, 1936, 2662, 2728, 3751, 3844, 5324, 5456, 7502, 7688, 10571, 10648, 15004, 15376, 21142, 21296, 30008, 41261, 42284, 60016, 82522, 84568, 116281, 165044, 169136, 232562, 330088, 465124, 660176, 930248, 1279091, 1860496, 2558182, 5116364, 10232728, 20465456]

約数ペア:

[(1, 20465456), (2, 10232728), (4, 5116364), (8, 2558182), (11, 1860496), (16, 1279091), (22, 930248), (31, 660176), (44, 465124), (62, 330088), (88, 232562), (121, 169136), (124, 165044), (176, 116281), (242, 84568), (248, 82522), (341, 60016), (484, 42284), (496, 41261), (682, 30008), (961, 21296), (968, 21142), (1331, 15376), (1364, 15004), (1922, 10648), (1936, 10571), (2662, 7688), (2728, 7502), (3751, 5456), (3844, 5324)]