22065820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{569}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 53242560

約数和(自身を除く): 31176740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 277, 554, 569, 1108, 1138, 1385, 1939, 2276, 2770, 2845, 3878, 3983, 5540, 5690, 7756, 7966, 9695, 11380, 15932, 19390, 19915, 38780, 39830, 79660, 157613, 315226, 630452, 788065, 1103291, 1576130, 2206582, 3152260, 4413164, 5516455, 11032910, 22065820]

約数ペア:

[(1, 22065820), (2, 11032910), (4, 5516455), (5, 4413164), (7, 3152260), (10, 2206582), (14, 1576130), (20, 1103291), (28, 788065), (35, 630452), (70, 315226), (140, 157613), (277, 79660), (554, 39830), (569, 38780), (1108, 19915), (1138, 19390), (1385, 15932), (1939, 11380), (2276, 9695), (2770, 7966), (2845, 7756), (3878, 5690), (3983, 5540)]