20602260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:302

約数の個数: 144

約数和(自身を含む): 72648576

約数和(自身を除く): 52046316

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 83, 84, 90, 105, 126, 140, 166, 180, 197, 210, 249, 252, 315, 332, 394, 415, 420, 498, 581, 591, 630, 747, 788, 830, 985, 996, 1162, 1182, 1245, 1260, 1379, 1494, 1660, 1743, 1773, 1970, 2324, 2364, 2490, 2758, 2905, 2955, 2988, 3486, 3546, 3735, 3940, 4137, 4980, 5229, 5516, 5810, 5910, 6895, 6972, 7092, 7470, 8274, 8715, 8865, 10458, 11620, 11820, 12411, 13790, 14940, 16351, 16548, 17430, 17730, 20685, 20916, 24822, 26145, 27580, 32702, 34860, 35460, 41370, 49053, 49644, 52290, 62055, 65404, 81755, 82740, 98106, 104580, 114457, 124110, 147159, 163510, 196212, 228914, 245265, 248220, 294318, 327020, 343371, 457828, 490530, 572285, 588636, 686742, 735795, 981060, 1030113, 1144570, 1373484, 1471590, 1716855, 2060226, 2289140, 2943180, 3433710, 4120452, 5150565, 6867420, 10301130, 20602260]

約数ペア:

[(1, 20602260), (2, 10301130), (3, 6867420), (4, 5150565), (5, 4120452), (6, 3433710), (7, 2943180), (9, 2289140), (10, 2060226), (12, 1716855), (14, 1471590), (15, 1373484), (18, 1144570), (20, 1030113), (21, 981060), (28, 735795), (30, 686742), (35, 588636), (36, 572285), (42, 490530), (45, 457828), (60, 343371), (63, 327020), (70, 294318), (83, 248220), (84, 245265), (90, 228914), (105, 196212), (126, 163510), (140, 147159), (166, 124110), (180, 114457), (197, 104580), (210, 98106), (249, 82740), (252, 81755), (315, 65404), (332, 62055), (394, 52290), (415, 49644), (420, 49053), (498, 41370), (581, 35460), (591, 34860), (630, 32702), (747, 27580), (788, 26145), (830, 24822), (985, 20916), (996, 20685), (1162, 17730), (1182, 17430), (1245, 16548), (1260, 16351), (1379, 14940), (1494, 13790), (1660, 12411), (1743, 11820), (1773, 11620), (1970, 10458), (2324, 8865), (2364, 8715), (2490, 8274), (2758, 7470), (2905, 7092), (2955, 6972), (2988, 6895), (3486, 5910), (3546, 5810), (3735, 5516), (3940, 5229), (4137, 4980)]