20214968325

素因数分解:

$3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{277}}^1$

素因数の和:591

約数の個数: 96

約数和(自身を含む): 34582310400

約数和(自身を除く): 14367342075

約数列:

[1, 3, 5, 15, 25, 75, 79, 109, 113, 237, 277, 327, 339, 395, 545, 565, 831, 1185, 1385, 1635, 1695, 1975, 2725, 2825, 4155, 5925, 6925, 8175, 8475, 8611, 8927, 12317, 20775, 21883, 25833, 26781, 30193, 31301, 36951, 43055, 44635, 61585, 65649, 90579, 93903, 109415, 129165, 133905, 150965, 156505, 184755, 215275, 223175, 307925, 328245, 452895, 469515, 547075, 645825, 669525, 754825, 782525, 923775, 973043, 1641225, 2264475, 2347575, 2385247, 2472779, 2919129, 3411809, 4865215, 7155741, 7418337, 10235427, 11926235, 12363895, 14595645, 17059045, 24326075, 35778705, 37091685, 51177135, 59631175, 61819475, 72978225, 85295225, 178893525, 185458425, 255885675, 269532911, 808598733, 1347664555, 4042993665, 6738322775, 20214968325]

約数ペア:

[(1, 20214968325), (3, 6738322775), (5, 4042993665), (15, 1347664555), (25, 808598733), (75, 269532911), (79, 255885675), (109, 185458425), (113, 178893525), (237, 85295225), (277, 72978225), (327, 61819475), (339, 59631175), (395, 51177135), (545, 37091685), (565, 35778705), (831, 24326075), (1185, 17059045), (1385, 14595645), (1635, 12363895), (1695, 11926235), (1975, 10235427), (2725, 7418337), (2825, 7155741), (4155, 4865215), (5925, 3411809), (6925, 2919129), (8175, 2472779), (8475, 2385247), (8611, 2347575), (8927, 2264475), (12317, 1641225), (20775, 973043), (21883, 923775), (25833, 782525), (26781, 754825), (30193, 669525), (31301, 645825), (36951, 547075), (43055, 469515), (44635, 452895), (61585, 328245), (65649, 307925), (90579, 223175), (93903, 215275), (109415, 184755), (129165, 156505), (133905, 150965)]