20538450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{45641}}^1$

素因数の和:45659

約数の個数: 36

約数和(自身を含む): 55181178

約数和(自身を除く): 34642728

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 450, 45641, 91282, 136923, 228205, 273846, 410769, 456410, 684615, 821538, 1141025, 1369230, 2053845, 2282050, 3423075, 4107690, 6846150, 10269225, 20538450]

約数ペア:

[(1, 20538450), (2, 10269225), (3, 6846150), (5, 4107690), (6, 3423075), (9, 2282050), (10, 2053845), (15, 1369230), (18, 1141025), (25, 821538), (30, 684615), (45, 456410), (50, 410769), (75, 273846), (90, 228205), (150, 136923), (225, 91282), (450, 45641)]