20176357580

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{72353}}^1$

素因数の和:72626

約数の個数: 48

約数和(自身を含む): 43176236544

約数和(自身を除く): 22999878964

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 191, 292, 365, 382, 730, 764, 955, 1460, 1910, 3820, 13943, 27886, 55772, 69715, 72353, 139430, 144706, 278860, 289412, 361765, 723530, 1447060, 5281769, 10563538, 13819423, 21127076, 26408845, 27638846, 52817690, 55277692, 69097115, 105635380, 138194230, 276388460, 1008817879, 2017635758, 4035271516, 5044089395, 10088178790, 20176357580]

約数ペア:

[(1, 20176357580), (2, 10088178790), (4, 5044089395), (5, 4035271516), (10, 2017635758), (20, 1008817879), (73, 276388460), (146, 138194230), (191, 105635380), (292, 69097115), (365, 55277692), (382, 52817690), (730, 27638846), (764, 26408845), (955, 21127076), (1460, 13819423), (1910, 10563538), (3820, 5281769), (13943, 1447060), (27886, 723530), (55772, 361765), (69715, 289412), (72353, 278860), (139430, 144706)]