20065100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:108

約数の個数: 144

約数和(自身を含む): 53434080

約数和(自身を除く): 33368980

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 29, 34, 37, 44, 50, 55, 58, 68, 74, 85, 100, 110, 116, 145, 148, 170, 185, 187, 220, 275, 290, 319, 340, 370, 374, 407, 425, 493, 550, 580, 629, 638, 725, 740, 748, 814, 850, 925, 935, 986, 1073, 1100, 1258, 1276, 1450, 1595, 1628, 1700, 1850, 1870, 1972, 2035, 2146, 2465, 2516, 2900, 3145, 3190, 3700, 3740, 4070, 4292, 4675, 4930, 5365, 5423, 6290, 6380, 6919, 7975, 8140, 9350, 9860, 10175, 10730, 10846, 11803, 12325, 12580, 13838, 15725, 15950, 18241, 18700, 20350, 21460, 21692, 23606, 24650, 26825, 27115, 27676, 31450, 31900, 34595, 36482, 40700, 47212, 49300, 53650, 54230, 59015, 62900, 69190, 72964, 91205, 107300, 108460, 118030, 135575, 138380, 172975, 182410, 200651, 236060, 271150, 295075, 345950, 364820, 401302, 456025, 542300, 590150, 691900, 802604, 912050, 1003255, 1180300, 1824100, 2006510, 4013020, 5016275, 10032550, 20065100]

約数ペア:

[(1, 20065100), (2, 10032550), (4, 5016275), (5, 4013020), (10, 2006510), (11, 1824100), (17, 1180300), (20, 1003255), (22, 912050), (25, 802604), (29, 691900), (34, 590150), (37, 542300), (44, 456025), (50, 401302), (55, 364820), (58, 345950), (68, 295075), (74, 271150), (85, 236060), (100, 200651), (110, 182410), (116, 172975), (145, 138380), (148, 135575), (170, 118030), (185, 108460), (187, 107300), (220, 91205), (275, 72964), (290, 69190), (319, 62900), (340, 59015), (370, 54230), (374, 53650), (407, 49300), (425, 47212), (493, 40700), (550, 36482), (580, 34595), (629, 31900), (638, 31450), (725, 27676), (740, 27115), (748, 26825), (814, 24650), (850, 23606), (925, 21692), (935, 21460), (986, 20350), (1073, 18700), (1100, 18241), (1258, 15950), (1276, 15725), (1450, 13838), (1595, 12580), (1628, 12325), (1700, 11803), (1850, 10846), (1870, 10730), (1972, 10175), (2035, 9860), (2146, 9350), (2465, 8140), (2516, 7975), (2900, 6919), (3145, 6380), (3190, 6290), (3700, 5423), (3740, 5365), (4070, 4930), (4292, 4675)]