20137547451

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{587}}^1\times {\mathrm{37991}}^1$

素因数の和:38631

約数の個数: 32

約数和(自身を含む): 31453728768

約数和(自身を除く): 11316181317

約数列:

[1, 3, 7, 21, 43, 129, 301, 587, 903, 1761, 4109, 12327, 25241, 37991, 75723, 113973, 176687, 265937, 530061, 797811, 1633613, 4900839, 11435291, 22300717, 34305873, 66902151, 156105019, 468315057, 958930831, 2876792493, 6712515817, 20137547451]

約数ペア:

[(1, 20137547451), (3, 6712515817), (7, 2876792493), (21, 958930831), (43, 468315057), (129, 156105019), (301, 66902151), (587, 34305873), (903, 22300717), (1761, 11435291), (4109, 4900839), (12327, 1633613), (25241, 797811), (37991, 530061), (75723, 265937), (113973, 176687)]