20080415740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13039231}}^1$

素因数の和:13039258

約数の個数: 48

約数和(自身を含む): 52574183424

約数和(自身を除く): 32493767684

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 13039231, 26078462, 52156924, 65196155, 91274617, 130392310, 143431541, 182549234, 260784620, 286863082, 365098468, 456373085, 573726164, 717157705, 912746170, 1004020787, 1434315410, 1825492340, 2008041574, 2868630820, 4016083148, 5020103935, 10040207870, 20080415740]

約数ペア:

[(1, 20080415740), (2, 10040207870), (4, 5020103935), (5, 4016083148), (7, 2868630820), (10, 2008041574), (11, 1825492340), (14, 1434315410), (20, 1004020787), (22, 912746170), (28, 717157705), (35, 573726164), (44, 456373085), (55, 365098468), (70, 286863082), (77, 260784620), (110, 182549234), (140, 143431541), (154, 130392310), (220, 91274617), (308, 65196155), (385, 52156924), (770, 26078462), (1540, 13039231)]