20117584

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:379

約数の個数: 40

約数和(自身を含む): 40220640

約数和(自身を除く): 20103056

約数列:

[1, 2, 4, 8, 16, 59, 101, 118, 202, 211, 236, 404, 422, 472, 808, 844, 944, 1616, 1688, 3376, 5959, 11918, 12449, 21311, 23836, 24898, 42622, 47672, 49796, 85244, 95344, 99592, 170488, 199184, 340976, 1257349, 2514698, 5029396, 10058792, 20117584]

約数ペア:

[(1, 20117584), (2, 10058792), (4, 5029396), (8, 2514698), (16, 1257349), (59, 340976), (101, 199184), (118, 170488), (202, 99592), (211, 95344), (236, 85244), (404, 49796), (422, 47672), (472, 42622), (808, 24898), (844, 23836), (944, 21311), (1616, 12449), (1688, 11918), (3376, 5959)]