20033125

素因数分解:

$5^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1$

素因数の和:287

約数の個数: 40

約数和(自身を含む): 30240320

約数和(自身を除く): 10207195

約数列:

[1, 5, 7, 19, 25, 35, 95, 125, 133, 175, 241, 475, 625, 665, 875, 1205, 1687, 2375, 3325, 4375, 4579, 6025, 8435, 11875, 16625, 22895, 30125, 32053, 42175, 83125, 114475, 150625, 160265, 210875, 572375, 801325, 1054375, 2861875, 4006625, 20033125]

約数ペア:

[(1, 20033125), (5, 4006625), (7, 2861875), (19, 1054375), (25, 801325), (35, 572375), (95, 210875), (125, 160265), (133, 150625), (175, 114475), (241, 83125), (475, 42175), (625, 32053), (665, 30125), (875, 22895), (1205, 16625), (1687, 11875), (2375, 8435), (3325, 6025), (4375, 4579)]