20614650

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{677}}^1$

素因数の和:728

約数の個数: 96

約数和(自身を含む): 60531840

約数和(自身を除く): 39917190

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 29, 30, 35, 42, 50, 58, 70, 75, 87, 105, 145, 150, 174, 175, 203, 210, 290, 350, 406, 435, 525, 609, 677, 725, 870, 1015, 1050, 1218, 1354, 1450, 2030, 2031, 2175, 3045, 3385, 4062, 4350, 4739, 5075, 6090, 6770, 9478, 10150, 10155, 14217, 15225, 16925, 19633, 20310, 23695, 28434, 30450, 33850, 39266, 47390, 50775, 58899, 71085, 98165, 101550, 117798, 118475, 137431, 142170, 196330, 236950, 274862, 294495, 355425, 412293, 490825, 588990, 687155, 710850, 824586, 981650, 1374310, 1472475, 2061465, 2944950, 3435775, 4122930, 6871550, 10307325, 20614650]

約数ペア:

[(1, 20614650), (2, 10307325), (3, 6871550), (5, 4122930), (6, 3435775), (7, 2944950), (10, 2061465), (14, 1472475), (15, 1374310), (21, 981650), (25, 824586), (29, 710850), (30, 687155), (35, 588990), (42, 490825), (50, 412293), (58, 355425), (70, 294495), (75, 274862), (87, 236950), (105, 196330), (145, 142170), (150, 137431), (174, 118475), (175, 117798), (203, 101550), (210, 98165), (290, 71085), (350, 58899), (406, 50775), (435, 47390), (525, 39266), (609, 33850), (677, 30450), (725, 28434), (870, 23695), (1015, 20310), (1050, 19633), (1218, 16925), (1354, 15225), (1450, 14217), (2030, 10155), (2031, 10150), (2175, 9478), (3045, 6770), (3385, 6090), (4062, 5075), (4350, 4739)]