20071040

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2851}}^1$

素因数の和:2881

約数の個数: 64

約数和(自身を含む): 52362720

約数和(自身を除く): 32291680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 2851, 3520, 5702, 7040, 11404, 14255, 22808, 28510, 31361, 45616, 57020, 62722, 91232, 114040, 125444, 156805, 182464, 228080, 250888, 313610, 364928, 456160, 501776, 627220, 912320, 1003552, 1254440, 1824640, 2007104, 2508880, 4014208, 5017760, 10035520, 20071040]

約数ペア:

[(1, 20071040), (2, 10035520), (4, 5017760), (5, 4014208), (8, 2508880), (10, 2007104), (11, 1824640), (16, 1254440), (20, 1003552), (22, 912320), (32, 627220), (40, 501776), (44, 456160), (55, 364928), (64, 313610), (80, 250888), (88, 228080), (110, 182464), (128, 156805), (160, 125444), (176, 114040), (220, 91232), (320, 62722), (352, 57020), (440, 45616), (640, 31361), (704, 28510), (880, 22808), (1408, 14255), (1760, 11404), (2851, 7040), (3520, 5702)]