20186375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 28102464

約数和(自身を除く): 7916089

約数列:

[1, 5, 11, 25, 53, 55, 125, 265, 275, 277, 583, 1325, 1375, 1385, 2915, 3047, 6625, 6925, 14575, 14681, 15235, 34625, 72875, 73405, 76175, 161491, 367025, 380875, 807455, 1835125, 4037275, 20186375]

約数ペア:

[(1, 20186375), (5, 4037275), (11, 1835125), (25, 807455), (53, 380875), (55, 367025), (125, 161491), (265, 76175), (275, 73405), (277, 72875), (583, 34625), (1325, 15235), (1375, 14681), (1385, 14575), (2915, 6925), (3047, 6625)]