20270340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5927}}^1$

素因数の和:5961

約数の個数: 72

約数和(自身を含む): 64733760

約数和(自身を除く): 44463420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5927, 11854, 17781, 23708, 29635, 35562, 53343, 59270, 71124, 88905, 106686, 112613, 118540, 177810, 213372, 225226, 266715, 337839, 355620, 450452, 533430, 563065, 675678, 1013517, 1066860, 1126130, 1351356, 1689195, 2027034, 2252260, 3378390, 4054068, 5067585, 6756780, 10135170, 20270340]

約数ペア:

[(1, 20270340), (2, 10135170), (3, 6756780), (4, 5067585), (5, 4054068), (6, 3378390), (9, 2252260), (10, 2027034), (12, 1689195), (15, 1351356), (18, 1126130), (19, 1066860), (20, 1013517), (30, 675678), (36, 563065), (38, 533430), (45, 450452), (57, 355620), (60, 337839), (76, 266715), (90, 225226), (95, 213372), (114, 177810), (171, 118540), (180, 112613), (190, 106686), (228, 88905), (285, 71124), (342, 59270), (380, 53343), (570, 35562), (684, 29635), (855, 23708), (1140, 17781), (1710, 11854), (3420, 5927)]