20117970

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1$

素因数の和:526

約数の個数: 96

約数和(自身を含む): 57552768

約数和(自身を除く): 37434798

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 81, 85, 90, 102, 135, 153, 162, 170, 243, 255, 270, 306, 405, 459, 486, 487, 510, 765, 810, 918, 974, 1215, 1377, 1461, 1530, 2295, 2430, 2435, 2754, 2922, 4131, 4383, 4590, 4870, 6885, 7305, 8262, 8279, 8766, 13149, 13770, 14610, 16558, 20655, 21915, 24837, 26298, 39447, 41310, 41395, 43830, 49674, 65745, 74511, 78894, 82790, 118341, 124185, 131490, 149022, 197235, 223533, 236682, 248370, 372555, 394470, 447066, 591705, 670599, 745110, 1117665, 1183410, 1341198, 2011797, 2235330, 3352995, 4023594, 6705990, 10058985, 20117970]

約数ペア:

[(1, 20117970), (2, 10058985), (3, 6705990), (5, 4023594), (6, 3352995), (9, 2235330), (10, 2011797), (15, 1341198), (17, 1183410), (18, 1117665), (27, 745110), (30, 670599), (34, 591705), (45, 447066), (51, 394470), (54, 372555), (81, 248370), (85, 236682), (90, 223533), (102, 197235), (135, 149022), (153, 131490), (162, 124185), (170, 118341), (243, 82790), (255, 78894), (270, 74511), (306, 65745), (405, 49674), (459, 43830), (486, 41395), (487, 41310), (510, 39447), (765, 26298), (810, 24837), (918, 21915), (974, 20655), (1215, 16558), (1377, 14610), (1461, 13770), (1530, 13149), (2295, 8766), (2430, 8279), (2435, 8262), (2754, 7305), (2922, 6885), (4131, 4870), (4383, 4590)]