20173949637

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{1291}}^1$

素因数の和:1686

約数の個数: 48

約数和(自身を含む): 29109814272

約数和(自身を除く): 8935864635

約数列:

[1, 3, 19, 47, 57, 141, 307, 361, 893, 921, 1083, 1291, 2679, 3873, 5833, 14429, 16967, 17499, 24529, 43287, 50901, 60677, 73587, 110827, 182031, 274151, 332481, 396337, 466051, 822453, 1152863, 1189011, 1398153, 3458589, 5208869, 7530403, 15626607, 18627839, 21904397, 22591209, 55883517, 65713191, 143077657, 353928941, 429232971, 1061786823, 6724649879, 20173949637]

約数ペア:

[(1, 20173949637), (3, 6724649879), (19, 1061786823), (47, 429232971), (57, 353928941), (141, 143077657), (307, 65713191), (361, 55883517), (893, 22591209), (921, 21904397), (1083, 18627839), (1291, 15626607), (2679, 7530403), (3873, 5208869), (5833, 3458589), (14429, 1398153), (16967, 1189011), (17499, 1152863), (24529, 822453), (43287, 466051), (50901, 396337), (60677, 332481), (73587, 274151), (110827, 182031)]