20284425

素因数分解:

$3^7\times 5^2\times 7^1\times {\mathrm{53}}^1$

素因数の和:91

約数の個数: 96

約数和(自身を含む): 43925760

約数和(自身を除く): 23641335

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 53, 63, 75, 81, 105, 135, 159, 175, 189, 225, 243, 265, 315, 371, 405, 477, 525, 567, 675, 729, 795, 945, 1113, 1215, 1325, 1431, 1575, 1701, 1855, 2025, 2187, 2385, 2835, 3339, 3645, 3975, 4293, 4725, 5103, 5565, 6075, 7155, 8505, 9275, 10017, 10935, 11925, 12879, 14175, 15309, 16695, 18225, 21465, 25515, 27825, 30051, 35775, 38637, 42525, 50085, 54675, 64395, 76545, 83475, 90153, 107325, 115911, 127575, 150255, 193185, 250425, 270459, 321975, 382725, 450765, 579555, 751275, 811377, 965925, 1352295, 2253825, 2897775, 4056885, 6761475, 20284425]

約数ペア:

[(1, 20284425), (3, 6761475), (5, 4056885), (7, 2897775), (9, 2253825), (15, 1352295), (21, 965925), (25, 811377), (27, 751275), (35, 579555), (45, 450765), (53, 382725), (63, 321975), (75, 270459), (81, 250425), (105, 193185), (135, 150255), (159, 127575), (175, 115911), (189, 107325), (225, 90153), (243, 83475), (265, 76545), (315, 64395), (371, 54675), (405, 50085), (477, 42525), (525, 38637), (567, 35775), (675, 30051), (729, 27825), (795, 25515), (945, 21465), (1113, 18225), (1215, 16695), (1325, 15309), (1431, 14175), (1575, 12879), (1701, 11925), (1855, 10935), (2025, 10017), (2187, 9275), (2385, 8505), (2835, 7155), (3339, 6075), (3645, 5565), (3975, 5103), (4293, 4725)]