20575140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1117}}^1$

素因数の和:1436

約数の個数: 48

約数和(自身を含む): 57849792

約数和(自身を除く): 37274652

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 307, 614, 921, 1117, 1228, 1535, 1842, 2234, 3070, 3351, 3684, 4468, 4605, 5585, 6140, 6702, 9210, 11170, 13404, 16755, 18420, 22340, 33510, 67020, 342919, 685838, 1028757, 1371676, 1714595, 2057514, 3429190, 4115028, 5143785, 6858380, 10287570, 20575140]

約数ペア:

[(1, 20575140), (2, 10287570), (3, 6858380), (4, 5143785), (5, 4115028), (6, 3429190), (10, 2057514), (12, 1714595), (15, 1371676), (20, 1028757), (30, 685838), (60, 342919), (307, 67020), (614, 33510), (921, 22340), (1117, 18420), (1228, 16755), (1535, 13404), (1842, 11170), (2234, 9210), (3070, 6702), (3351, 6140), (3684, 5585), (4468, 4605)]