20743502

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:764

約数の個数: 32

約数和(自身を含む): 36033984

約数和(自身を除く): 15290482

約数列:

[1, 2, 13, 17, 26, 34, 71, 142, 221, 442, 661, 923, 1207, 1322, 1846, 2414, 8593, 11237, 15691, 17186, 22474, 31382, 46931, 93862, 146081, 292162, 610103, 797827, 1220206, 1595654, 10371751, 20743502]

約数ペア:

[(1, 20743502), (2, 10371751), (13, 1595654), (17, 1220206), (26, 797827), (34, 610103), (71, 292162), (142, 146081), (221, 93862), (442, 46931), (661, 31382), (923, 22474), (1207, 17186), (1322, 15691), (1846, 11237), (2414, 8593)]