20165566473

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{22271}}^1$

素因数の和:22470

約数の個数: 48

約数和(自身を含む): 32103751680

約数和(自身を除く): 11938185207

約数列:

[1, 3, 9, 13, 39, 71, 109, 117, 213, 327, 639, 923, 981, 1417, 2769, 4251, 7739, 8307, 12753, 22271, 23217, 66813, 69651, 100607, 200439, 289523, 301821, 868569, 905463, 1581241, 2427539, 2605707, 4743723, 7282617, 14231169, 20556133, 21847851, 31558007, 61668399, 94674021, 172355269, 185005197, 284022063, 517065807, 1551197421, 2240618497, 6721855491, 20165566473]

約数ペア:

[(1, 20165566473), (3, 6721855491), (9, 2240618497), (13, 1551197421), (39, 517065807), (71, 284022063), (109, 185005197), (117, 172355269), (213, 94674021), (327, 61668399), (639, 31558007), (923, 21847851), (981, 20556133), (1417, 14231169), (2769, 7282617), (4251, 4743723), (7739, 2605707), (8307, 2427539), (12753, 1581241), (22271, 905463), (23217, 868569), (66813, 301821), (69651, 289523), (100607, 200439)]