20822160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{859}}^1$

素因数の和:976

約数の個数: 80

約数和(自身を含む): 65263680

約数和(自身を除く): 44441520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 101, 120, 202, 240, 303, 404, 505, 606, 808, 859, 1010, 1212, 1515, 1616, 1718, 2020, 2424, 2577, 3030, 3436, 4040, 4295, 4848, 5154, 6060, 6872, 8080, 8590, 10308, 12120, 12885, 13744, 17180, 20616, 24240, 25770, 34360, 41232, 51540, 68720, 86759, 103080, 173518, 206160, 260277, 347036, 433795, 520554, 694072, 867590, 1041108, 1301385, 1388144, 1735180, 2082216, 2602770, 3470360, 4164432, 5205540, 6940720, 10411080, 20822160]

約数ペア:

[(1, 20822160), (2, 10411080), (3, 6940720), (4, 5205540), (5, 4164432), (6, 3470360), (8, 2602770), (10, 2082216), (12, 1735180), (15, 1388144), (16, 1301385), (20, 1041108), (24, 867590), (30, 694072), (40, 520554), (48, 433795), (60, 347036), (80, 260277), (101, 206160), (120, 173518), (202, 103080), (240, 86759), (303, 68720), (404, 51540), (505, 41232), (606, 34360), (808, 25770), (859, 24240), (1010, 20616), (1212, 17180), (1515, 13744), (1616, 12885), (1718, 12120), (2020, 10308), (2424, 8590), (2577, 8080), (3030, 6872), (3436, 6060), (4040, 5154), (4295, 4848)]