20253310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{907}}^1$

素因数の和:961

約数の個数: 64

約数和(自身を含む): 47070720

約数和(自身を除く): 26817410

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 29, 35, 55, 58, 70, 77, 110, 145, 154, 203, 290, 319, 385, 406, 638, 770, 907, 1015, 1595, 1814, 2030, 2233, 3190, 4466, 4535, 6349, 9070, 9977, 11165, 12698, 19954, 22330, 26303, 31745, 49885, 52606, 63490, 69839, 99770, 131515, 139678, 184121, 263030, 289333, 349195, 368242, 578666, 698390, 920605, 1446665, 1841210, 2025331, 2893330, 4050662, 10126655, 20253310]

約数ペア:

[(1, 20253310), (2, 10126655), (5, 4050662), (7, 2893330), (10, 2025331), (11, 1841210), (14, 1446665), (22, 920605), (29, 698390), (35, 578666), (55, 368242), (58, 349195), (70, 289333), (77, 263030), (110, 184121), (145, 139678), (154, 131515), (203, 99770), (290, 69839), (319, 63490), (385, 52606), (406, 49885), (638, 31745), (770, 26303), (907, 22330), (1015, 19954), (1595, 12698), (1814, 11165), (2030, 9977), (2233, 9070), (3190, 6349), (4466, 4535)]