20935440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29077}}^1$

素因数の和:29096

約数の個数: 60

約数和(自身を含む): 70310604

約数和(自身を除く): 49375164

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 29077, 58154, 87231, 116308, 145385, 174462, 232616, 261693, 290770, 348924, 436155, 465232, 523386, 581540, 697848, 872310, 1046772, 1163080, 1308465, 1395696, 1744620, 2093544, 2326160, 2616930, 3489240, 4187088, 5233860, 6978480, 10467720, 20935440]

約数ペア:

[(1, 20935440), (2, 10467720), (3, 6978480), (4, 5233860), (5, 4187088), (6, 3489240), (8, 2616930), (9, 2326160), (10, 2093544), (12, 1744620), (15, 1395696), (16, 1308465), (18, 1163080), (20, 1046772), (24, 872310), (30, 697848), (36, 581540), (40, 523386), (45, 465232), (48, 436155), (60, 348924), (72, 290770), (80, 261693), (90, 232616), (120, 174462), (144, 145385), (180, 116308), (240, 87231), (360, 58154), (720, 29077)]