20173103990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1\times {\mathrm{5519}}^1$

素因数の和:6477

約数の個数: 64

約数和(自身を含む): 40418058240

約数和(自身を除く): 20244954250

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 907, 1814, 2015, 4030, 4535, 5519, 9070, 11038, 11791, 23582, 27595, 28117, 55190, 56234, 58955, 71747, 117910, 140585, 143494, 171089, 281170, 342178, 358735, 365521, 717470, 731042, 855445, 1710890, 1827605, 2224157, 3655210, 4448314, 5005733, 10011466, 11120785, 22241570, 25028665, 50057330, 65074529, 130149058, 155177723, 310355446, 325372645, 650745290, 775888615, 1551777230, 2017310399, 4034620798, 10086551995, 20173103990]

約数ペア:

[(1, 20173103990), (2, 10086551995), (5, 4034620798), (10, 2017310399), (13, 1551777230), (26, 775888615), (31, 650745290), (62, 325372645), (65, 310355446), (130, 155177723), (155, 130149058), (310, 65074529), (403, 50057330), (806, 25028665), (907, 22241570), (1814, 11120785), (2015, 10011466), (4030, 5005733), (4535, 4448314), (5519, 3655210), (9070, 2224157), (11038, 1827605), (11791, 1710890), (23582, 855445), (27595, 731042), (28117, 717470), (55190, 365521), (56234, 358735), (58955, 342178), (71747, 281170), (117910, 171089), (140585, 143494)]