20116978

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{347}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 35779968

約数和(自身を除く): 15662990

約数列:

[1, 2, 7, 14, 41, 82, 101, 202, 287, 347, 574, 694, 707, 1414, 2429, 4141, 4858, 8282, 14227, 28454, 28987, 35047, 57974, 70094, 99589, 199178, 245329, 490658, 1436927, 2873854, 10058489, 20116978]

約数ペア:

[(1, 20116978), (2, 10058489), (7, 2873854), (14, 1436927), (41, 490658), (82, 245329), (101, 199178), (202, 99589), (287, 70094), (347, 57974), (574, 35047), (694, 28987), (707, 28454), (1414, 14227), (2429, 8282), (4141, 4858)]