20170832

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3697}}^1$

素因数の和:3747

約数の個数: 40

約数和(自身を含む): 44020992

約数和(自身を除く): 23850160

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 3697, 5456, 7394, 14788, 29576, 40667, 59152, 81334, 114607, 162668, 229214, 325336, 458428, 650672, 916856, 1260677, 1833712, 2521354, 5042708, 10085416, 20170832]

約数ペア:

[(1, 20170832), (2, 10085416), (4, 5042708), (8, 2521354), (11, 1833712), (16, 1260677), (22, 916856), (31, 650672), (44, 458428), (62, 325336), (88, 229214), (124, 162668), (176, 114607), (248, 81334), (341, 59152), (496, 40667), (682, 29576), (1364, 14788), (2728, 7394), (3697, 5456)]