20198532893

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{113903}}^1$

素因数の和:113982

約数の個数: 32

約数和(自身を含む): 26243481600

約数和(自身を除く): 6044948707

約数列:

[1, 7, 11, 47, 49, 77, 329, 343, 517, 539, 2303, 3619, 3773, 16121, 25333, 113903, 177331, 797321, 1252933, 5353441, 5581247, 8770531, 37474087, 39068729, 58887851, 61393717, 262318609, 412214957, 429756019, 1836230263, 2885504699, 20198532893]

約数ペア:

[(1, 20198532893), (7, 2885504699), (11, 1836230263), (47, 429756019), (49, 412214957), (77, 262318609), (329, 61393717), (343, 58887851), (517, 39068729), (539, 37474087), (2303, 8770531), (3619, 5581247), (3773, 5353441), (16121, 1252933), (25333, 797321), (113903, 177331)]