20994792

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9613}}^1$

素因数の和:9642

約数の個数: 64

約数和(自身を含む): 64606080

約数和(自身を除く): 43611288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 9613, 19226, 28839, 38452, 57678, 67291, 76904, 115356, 124969, 134582, 201873, 230712, 249938, 269164, 374907, 403746, 499876, 538328, 749814, 807492, 874783, 999752, 1499628, 1614984, 1749566, 2624349, 2999256, 3499132, 5248698, 6998264, 10497396, 20994792]

約数ペア:

[(1, 20994792), (2, 10497396), (3, 6998264), (4, 5248698), (6, 3499132), (7, 2999256), (8, 2624349), (12, 1749566), (13, 1614984), (14, 1499628), (21, 999752), (24, 874783), (26, 807492), (28, 749814), (39, 538328), (42, 499876), (52, 403746), (56, 374907), (78, 269164), (84, 249938), (91, 230712), (104, 201873), (156, 134582), (168, 124969), (182, 115356), (273, 76904), (312, 67291), (364, 57678), (546, 38452), (728, 28839), (1092, 19226), (2184, 9613)]