20455722

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5237}}^1$

素因数の和:5283

約数の個数: 48

約数和(自身を含む): 52296192

約数和(自身を除く): 31840470

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 279, 434, 558, 651, 1302, 1953, 3906, 5237, 10474, 15711, 31422, 36659, 47133, 73318, 94266, 109977, 162347, 219954, 324694, 329931, 487041, 659862, 974082, 1136429, 1461123, 2272858, 2922246, 3409287, 6818574, 10227861, 20455722]

約数ペア:

[(1, 20455722), (2, 10227861), (3, 6818574), (6, 3409287), (7, 2922246), (9, 2272858), (14, 1461123), (18, 1136429), (21, 974082), (31, 659862), (42, 487041), (62, 329931), (63, 324694), (93, 219954), (126, 162347), (186, 109977), (217, 94266), (279, 73318), (434, 47133), (558, 36659), (651, 31422), (1302, 15711), (1953, 10474), (3906, 5237)]