20116880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{35923}}^1$

素因数の和:35943

約数の個数: 40

約数和(自身を含む): 53454912

約数和(自身を除く): 33338032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 35923, 71846, 143692, 179615, 251461, 287384, 359230, 502922, 574768, 718460, 1005844, 1257305, 1436920, 2011688, 2514610, 2873840, 4023376, 5029220, 10058440, 20116880]

約数ペア:

[(1, 20116880), (2, 10058440), (4, 5029220), (5, 4023376), (7, 2873840), (8, 2514610), (10, 2011688), (14, 1436920), (16, 1257305), (20, 1005844), (28, 718460), (35, 574768), (40, 502922), (56, 359230), (70, 287384), (80, 251461), (112, 179615), (140, 143692), (280, 71846), (560, 35923)]