20661396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1103}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 55394304

約数和(自身を除く): 34732908

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 223, 446, 669, 892, 1103, 1338, 1561, 2206, 2676, 3122, 3309, 4412, 4683, 6244, 6618, 7721, 9366, 13236, 15442, 18732, 23163, 30884, 46326, 92652, 245969, 491938, 737907, 983876, 1475814, 1721783, 2951628, 3443566, 5165349, 6887132, 10330698, 20661396]

約数ペア:

[(1, 20661396), (2, 10330698), (3, 6887132), (4, 5165349), (6, 3443566), (7, 2951628), (12, 1721783), (14, 1475814), (21, 983876), (28, 737907), (42, 491938), (84, 245969), (223, 92652), (446, 46326), (669, 30884), (892, 23163), (1103, 18732), (1338, 15442), (1561, 13236), (2206, 9366), (2676, 7721), (3122, 6618), (3309, 6244), (4412, 4683)]