20032340

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 43593984

約数和(自身を除く): 23561644

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 101, 188, 202, 211, 235, 404, 422, 470, 505, 844, 940, 1010, 1055, 2020, 2110, 4220, 4747, 9494, 9917, 18988, 19834, 21311, 23735, 39668, 42622, 47470, 49585, 85244, 94940, 99170, 106555, 198340, 213110, 426220, 1001617, 2003234, 4006468, 5008085, 10016170, 20032340]

約数ペア:

[(1, 20032340), (2, 10016170), (4, 5008085), (5, 4006468), (10, 2003234), (20, 1001617), (47, 426220), (94, 213110), (101, 198340), (188, 106555), (202, 99170), (211, 94940), (235, 85244), (404, 49585), (422, 47470), (470, 42622), (505, 39668), (844, 23735), (940, 21311), (1010, 19834), (1055, 18988), (2020, 9917), (2110, 9494), (4220, 4747)]