20696640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{21559}}^1$

素因数の和:21579

約数の個数: 56

約数和(自身を含む): 65714880

約数和(自身を除く): 45018240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 21559, 43118, 64677, 86236, 107795, 129354, 172472, 215590, 258708, 323385, 344944, 431180, 517416, 646770, 689888, 862360, 1034832, 1293540, 1379776, 1724720, 2069664, 2587080, 3449440, 4139328, 5174160, 6898880, 10348320, 20696640]

約数ペア:

[(1, 20696640), (2, 10348320), (3, 6898880), (4, 5174160), (5, 4139328), (6, 3449440), (8, 2587080), (10, 2069664), (12, 1724720), (15, 1379776), (16, 1293540), (20, 1034832), (24, 862360), (30, 689888), (32, 646770), (40, 517416), (48, 431180), (60, 344944), (64, 323385), (80, 258708), (96, 215590), (120, 172472), (160, 129354), (192, 107795), (240, 86236), (320, 64677), (480, 43118), (960, 21559)]