20064037180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1024721}}^1$

素因数の和:1024830

約数の個数: 48

約数和(自身を含む): 46481389920

約数和(自身を除く): 26417352740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 3916, 4895, 9790, 19580, 1024721, 2049442, 4098884, 5123605, 10247210, 11271931, 20494420, 22543862, 45087724, 56359655, 91200169, 112719310, 182400338, 225438620, 364800676, 456000845, 912001690, 1003201859, 1824003380, 2006403718, 4012807436, 5016009295, 10032018590, 20064037180]

約数ペア:

[(1, 20064037180), (2, 10032018590), (4, 5016009295), (5, 4012807436), (10, 2006403718), (11, 1824003380), (20, 1003201859), (22, 912001690), (44, 456000845), (55, 364800676), (89, 225438620), (110, 182400338), (178, 112719310), (220, 91200169), (356, 56359655), (445, 45087724), (890, 22543862), (979, 20494420), (1780, 11271931), (1958, 10247210), (3916, 5123605), (4895, 4098884), (9790, 2049442), (19580, 1024721)]