20889720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58027}}^1$

素因数の和:58044

約数の個数: 48

約数和(自身を含む): 67892760

約数和(自身を除く): 47003040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 58027, 116054, 174081, 232108, 290135, 348162, 464216, 522243, 580270, 696324, 870405, 1044486, 1160540, 1392648, 1740810, 2088972, 2321080, 2611215, 3481620, 4177944, 5222430, 6963240, 10444860, 20889720]

約数ペア:

[(1, 20889720), (2, 10444860), (3, 6963240), (4, 5222430), (5, 4177944), (6, 3481620), (8, 2611215), (9, 2321080), (10, 2088972), (12, 1740810), (15, 1392648), (18, 1160540), (20, 1044486), (24, 870405), (30, 696324), (36, 580270), (40, 522243), (45, 464216), (60, 348162), (72, 290135), (90, 232108), (120, 174081), (180, 116054), (360, 58027)]