20497260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1319}}^1$

素因数の和:1375

約数の個数: 96

約数和(自身を含む): 67415040

約数和(自身を除く): 46917780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 60, 70, 74, 84, 105, 111, 140, 148, 185, 210, 222, 259, 370, 420, 444, 518, 555, 740, 777, 1036, 1110, 1295, 1319, 1554, 2220, 2590, 2638, 3108, 3885, 3957, 5180, 5276, 6595, 7770, 7914, 9233, 13190, 15540, 15828, 18466, 19785, 26380, 27699, 36932, 39570, 46165, 48803, 55398, 79140, 92330, 97606, 110796, 138495, 146409, 184660, 195212, 244015, 276990, 292818, 341621, 488030, 553980, 585636, 683242, 732045, 976060, 1024863, 1366484, 1464090, 1708105, 2049726, 2928180, 3416210, 4099452, 5124315, 6832420, 10248630, 20497260]

約数ペア:

[(1, 20497260), (2, 10248630), (3, 6832420), (4, 5124315), (5, 4099452), (6, 3416210), (7, 2928180), (10, 2049726), (12, 1708105), (14, 1464090), (15, 1366484), (20, 1024863), (21, 976060), (28, 732045), (30, 683242), (35, 585636), (37, 553980), (42, 488030), (60, 341621), (70, 292818), (74, 276990), (84, 244015), (105, 195212), (111, 184660), (140, 146409), (148, 138495), (185, 110796), (210, 97606), (222, 92330), (259, 79140), (370, 55398), (420, 48803), (444, 46165), (518, 39570), (555, 36932), (740, 27699), (777, 26380), (1036, 19785), (1110, 18466), (1295, 15828), (1319, 15540), (1554, 13190), (2220, 9233), (2590, 7914), (2638, 7770), (3108, 6595), (3885, 5276), (3957, 5180)]