20368150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1277}}^1$

素因数の和:1329

約数の個数: 48

約数和(自身を含む): 42787440

約数和(自身を除く): 22419290

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 50, 55, 58, 110, 145, 275, 290, 319, 550, 638, 725, 1277, 1450, 1595, 2554, 3190, 6385, 7975, 12770, 14047, 15950, 28094, 31925, 37033, 63850, 70235, 74066, 140470, 185165, 351175, 370330, 407363, 702350, 814726, 925825, 1851650, 2036815, 4073630, 10184075, 20368150]

約数ペア:

[(1, 20368150), (2, 10184075), (5, 4073630), (10, 2036815), (11, 1851650), (22, 925825), (25, 814726), (29, 702350), (50, 407363), (55, 370330), (58, 351175), (110, 185165), (145, 140470), (275, 74066), (290, 70235), (319, 63850), (550, 37033), (638, 31925), (725, 28094), (1277, 15950), (1450, 14047), (1595, 12770), (2554, 7975), (3190, 6385)]