20763990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17747}}^1$

素因数の和:17773

約数の個数: 48

約数和(自身を含む): 58142448

約数和(自身を除く): 37378458

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 17747, 35494, 53241, 88735, 106482, 159723, 177470, 230711, 266205, 319446, 461422, 532410, 692133, 798615, 1153555, 1384266, 1597230, 2076399, 2307110, 3460665, 4152798, 6921330, 10381995, 20763990]

約数ペア:

[(1, 20763990), (2, 10381995), (3, 6921330), (5, 4152798), (6, 3460665), (9, 2307110), (10, 2076399), (13, 1597230), (15, 1384266), (18, 1153555), (26, 798615), (30, 692133), (39, 532410), (45, 461422), (65, 319446), (78, 266205), (90, 230711), (117, 177470), (130, 159723), (195, 106482), (234, 88735), (390, 53241), (585, 35494), (1170, 17747)]