20211046388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1553}}^1\times {\mathrm{2339}}^1$

素因数の和:4016

約数の個数: 48

約数和(自身を含む): 38487234240

約数和(自身を除く): 18276187852

約数列:

[1, 2, 4, 13, 26, 52, 107, 214, 428, 1391, 1553, 2339, 2782, 3106, 4678, 5564, 6212, 9356, 20189, 30407, 40378, 60814, 80756, 121628, 166171, 250273, 332342, 500546, 664684, 1001092, 2160223, 3253549, 3632467, 4320446, 6507098, 7264934, 8640892, 13014196, 14529868, 47222071, 94444142, 188888284, 388673969, 777347938, 1554695876, 5052761597, 10105523194, 20211046388]

約数ペア:

[(1, 20211046388), (2, 10105523194), (4, 5052761597), (13, 1554695876), (26, 777347938), (52, 388673969), (107, 188888284), (214, 94444142), (428, 47222071), (1391, 14529868), (1553, 13014196), (2339, 8640892), (2782, 7264934), (3106, 6507098), (4678, 4320446), (5564, 3632467), (6212, 3253549), (9356, 2160223), (20189, 1001092), (30407, 664684), (40378, 500546), (60814, 332342), (80756, 250273), (121628, 166171)]