20195838

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^2\times {\mathrm{2213}}^1$

素因数の和:2250

約数の個数: 48

約数和(自身を含む): 48619440

約数和(自身を除く): 28423602

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 169, 234, 338, 351, 507, 702, 1014, 1521, 2213, 3042, 4426, 4563, 6639, 9126, 13278, 19917, 28769, 39834, 57538, 59751, 86307, 119502, 172614, 258921, 373997, 517842, 747994, 776763, 1121991, 1553526, 2243982, 3365973, 6731946, 10097919, 20195838]

約数ペア:

[(1, 20195838), (2, 10097919), (3, 6731946), (6, 3365973), (9, 2243982), (13, 1553526), (18, 1121991), (26, 776763), (27, 747994), (39, 517842), (54, 373997), (78, 258921), (117, 172614), (169, 119502), (234, 86307), (338, 59751), (351, 57538), (507, 39834), (702, 28769), (1014, 19917), (1521, 13278), (2213, 9126), (3042, 6639), (4426, 4563)]