20078838

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1619}}^1$

素因数の和:1693

約数の個数: 48

約数和(自身を含む): 47764080

約数和(自身を除く): 27685242

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 53, 78, 106, 117, 159, 234, 318, 477, 689, 954, 1378, 1619, 2067, 3238, 4134, 4857, 6201, 9714, 12402, 14571, 21047, 29142, 42094, 63141, 85807, 126282, 171614, 189423, 257421, 378846, 514842, 772263, 1115491, 1544526, 2230982, 3346473, 6692946, 10039419, 20078838]

約数ペア:

[(1, 20078838), (2, 10039419), (3, 6692946), (6, 3346473), (9, 2230982), (13, 1544526), (18, 1115491), (26, 772263), (39, 514842), (53, 378846), (78, 257421), (106, 189423), (117, 171614), (159, 126282), (234, 85807), (318, 63141), (477, 42094), (689, 29142), (954, 21047), (1378, 14571), (1619, 12402), (2067, 9714), (3238, 6201), (4134, 4857)]