20049360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{601}}^1$

素因数の和:756

約数の個数: 80

約数和(自身を含む): 62704320

約数和(自身を除く): 42654960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 139, 240, 278, 417, 556, 601, 695, 834, 1112, 1202, 1390, 1668, 1803, 2085, 2224, 2404, 2780, 3005, 3336, 3606, 4170, 4808, 5560, 6010, 6672, 7212, 8340, 9015, 9616, 11120, 12020, 14424, 16680, 18030, 24040, 28848, 33360, 36060, 48080, 72120, 83539, 144240, 167078, 250617, 334156, 417695, 501234, 668312, 835390, 1002468, 1253085, 1336624, 1670780, 2004936, 2506170, 3341560, 4009872, 5012340, 6683120, 10024680, 20049360]

約数ペア:

[(1, 20049360), (2, 10024680), (3, 6683120), (4, 5012340), (5, 4009872), (6, 3341560), (8, 2506170), (10, 2004936), (12, 1670780), (15, 1336624), (16, 1253085), (20, 1002468), (24, 835390), (30, 668312), (40, 501234), (48, 417695), (60, 334156), (80, 250617), (120, 167078), (139, 144240), (240, 83539), (278, 72120), (417, 48080), (556, 36060), (601, 33360), (695, 28848), (834, 24040), (1112, 18030), (1202, 16680), (1390, 14424), (1668, 12020), (1803, 11120), (2085, 9616), (2224, 9015), (2404, 8340), (2780, 7212), (3005, 6672), (3336, 6010), (3606, 5560), (4170, 4808)]