20125080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{55903}}^1$

素因数の和:55920

約数の個数: 48

約数和(自身を含む): 65407680

約数和(自身を除く): 45282600

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, 55903, 111806, 167709, 223612, 279515, 335418, 447224, 503127, 559030, 670836, 838545, 1006254, 1118060, 1341672, 1677090, 2012508, 2236120, 2515635, 3354180, 4025016, 5031270, 6708360, 10062540, 20125080]

約数ペア:

[(1, 20125080), (2, 10062540), (3, 6708360), (4, 5031270), (5, 4025016), (6, 3354180), (8, 2515635), (9, 2236120), (10, 2012508), (12, 1677090), (15, 1341672), (18, 1118060), (20, 1006254), (24, 838545), (30, 670836), (36, 559030), (40, 503127), (45, 447224), (60, 335418), (72, 279515), (90, 223612), (120, 167709), (180, 111806), (360, 55903)]