20633520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{577}}^1$

素因数の和:742

約数の個数: 80

約数和(自身を含む): 64504800

約数和(自身を除く): 43871280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 149, 240, 298, 447, 577, 596, 745, 894, 1154, 1192, 1490, 1731, 1788, 2235, 2308, 2384, 2885, 2980, 3462, 3576, 4470, 4616, 5770, 5960, 6924, 7152, 8655, 8940, 9232, 11540, 11920, 13848, 17310, 17880, 23080, 27696, 34620, 35760, 46160, 69240, 85973, 138480, 171946, 257919, 343892, 429865, 515838, 687784, 859730, 1031676, 1289595, 1375568, 1719460, 2063352, 2579190, 3438920, 4126704, 5158380, 6877840, 10316760, 20633520]

約数ペア:

[(1, 20633520), (2, 10316760), (3, 6877840), (4, 5158380), (5, 4126704), (6, 3438920), (8, 2579190), (10, 2063352), (12, 1719460), (15, 1375568), (16, 1289595), (20, 1031676), (24, 859730), (30, 687784), (40, 515838), (48, 429865), (60, 343892), (80, 257919), (120, 171946), (149, 138480), (240, 85973), (298, 69240), (447, 46160), (577, 35760), (596, 34620), (745, 27696), (894, 23080), (1154, 17880), (1192, 17310), (1490, 13848), (1731, 11920), (1788, 11540), (2235, 9232), (2308, 8940), (2384, 8655), (2885, 7152), (2980, 6924), (3462, 5960), (3576, 5770), (4470, 4616)]