20146140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:352

約数の個数: 144

約数和(自身を含む): 71285760

約数和(自身を除く): 51139620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 59, 60, 63, 70, 84, 90, 105, 118, 126, 140, 177, 180, 210, 236, 252, 271, 295, 315, 354, 413, 420, 531, 542, 590, 630, 708, 813, 826, 885, 1062, 1084, 1180, 1239, 1260, 1355, 1626, 1652, 1770, 1897, 2065, 2124, 2439, 2478, 2655, 2710, 3252, 3540, 3717, 3794, 4065, 4130, 4878, 4956, 5310, 5420, 5691, 6195, 7434, 7588, 8130, 8260, 9485, 9756, 10620, 11382, 12195, 12390, 14868, 15989, 16260, 17073, 18585, 18970, 22764, 24390, 24780, 28455, 31978, 34146, 37170, 37940, 47967, 48780, 56910, 63956, 68292, 74340, 79945, 85365, 95934, 111923, 113820, 143901, 159890, 170730, 191868, 223846, 239835, 287802, 319780, 335769, 341460, 447692, 479670, 559615, 575604, 671538, 719505, 959340, 1007307, 1119230, 1343076, 1439010, 1678845, 2014614, 2238460, 2878020, 3357690, 4029228, 5036535, 6715380, 10073070, 20146140]

約数ペア:

[(1, 20146140), (2, 10073070), (3, 6715380), (4, 5036535), (5, 4029228), (6, 3357690), (7, 2878020), (9, 2238460), (10, 2014614), (12, 1678845), (14, 1439010), (15, 1343076), (18, 1119230), (20, 1007307), (21, 959340), (28, 719505), (30, 671538), (35, 575604), (36, 559615), (42, 479670), (45, 447692), (59, 341460), (60, 335769), (63, 319780), (70, 287802), (84, 239835), (90, 223846), (105, 191868), (118, 170730), (126, 159890), (140, 143901), (177, 113820), (180, 111923), (210, 95934), (236, 85365), (252, 79945), (271, 74340), (295, 68292), (315, 63956), (354, 56910), (413, 48780), (420, 47967), (531, 37940), (542, 37170), (590, 34146), (630, 31978), (708, 28455), (813, 24780), (826, 24390), (885, 22764), (1062, 18970), (1084, 18585), (1180, 17073), (1239, 16260), (1260, 15989), (1355, 14868), (1626, 12390), (1652, 12195), (1770, 11382), (1897, 10620), (2065, 9756), (2124, 9485), (2439, 8260), (2478, 8130), (2655, 7588), (2710, 7434), (3252, 6195), (3540, 5691), (3717, 5420), (3794, 5310), (4065, 4956), (4130, 4878)]