20529540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6709}}^1$

素因数の和:6741

約数の個数: 72

約数和(自身を含む): 65945880

約数和(自身を除く): 45416340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 6709, 13418, 20127, 26836, 33545, 40254, 60381, 67090, 80508, 100635, 114053, 120762, 134180, 201270, 228106, 241524, 301905, 342159, 402540, 456212, 570265, 603810, 684318, 1026477, 1140530, 1207620, 1368636, 1710795, 2052954, 2281060, 3421590, 4105908, 5132385, 6843180, 10264770, 20529540]

約数ペア:

[(1, 20529540), (2, 10264770), (3, 6843180), (4, 5132385), (5, 4105908), (6, 3421590), (9, 2281060), (10, 2052954), (12, 1710795), (15, 1368636), (17, 1207620), (18, 1140530), (20, 1026477), (30, 684318), (34, 603810), (36, 570265), (45, 456212), (51, 402540), (60, 342159), (68, 301905), (85, 241524), (90, 228106), (102, 201270), (153, 134180), (170, 120762), (180, 114053), (204, 100635), (255, 80508), (306, 67090), (340, 60381), (510, 40254), (612, 33545), (765, 26836), (1020, 20127), (1530, 13418), (3060, 6709)]