20445570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{619}}^1$

素因数の和:999

約数の個数: 48

約数和(自身を含む): 53389440

約数和(自身を除く): 32943870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 367, 619, 734, 1101, 1238, 1835, 1857, 2202, 3095, 3303, 3670, 3714, 5505, 5571, 6190, 6606, 9285, 11010, 11142, 16515, 18570, 27855, 33030, 55710, 227173, 454346, 681519, 1135865, 1363038, 2044557, 2271730, 3407595, 4089114, 6815190, 10222785, 20445570]

約数ペア:

[(1, 20445570), (2, 10222785), (3, 6815190), (5, 4089114), (6, 3407595), (9, 2271730), (10, 2044557), (15, 1363038), (18, 1135865), (30, 681519), (45, 454346), (90, 227173), (367, 55710), (619, 33030), (734, 27855), (1101, 18570), (1238, 16515), (1835, 11142), (1857, 11010), (2202, 9285), (3095, 6606), (3303, 6190), (3670, 5571), (3714, 5505)]