20798880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43331}}^1$

素因数の和:43349

約数の個数: 48

約数和(自身を含む): 65517984

約数和(自身を除く): 44719104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 43331, 86662, 129993, 173324, 216655, 259986, 346648, 433310, 519972, 649965, 693296, 866620, 1039944, 1299930, 1386592, 1733240, 2079888, 2599860, 3466480, 4159776, 5199720, 6932960, 10399440, 20798880]

約数ペア:

[(1, 20798880), (2, 10399440), (3, 6932960), (4, 5199720), (5, 4159776), (6, 3466480), (8, 2599860), (10, 2079888), (12, 1733240), (15, 1386592), (16, 1299930), (20, 1039944), (24, 866620), (30, 693296), (32, 649965), (40, 519972), (48, 433310), (60, 346648), (80, 259986), (96, 216655), (120, 173324), (160, 129993), (240, 86662), (480, 43331)]