20014125

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{53}}^2$

素因数の和:143

約数の個数: 48

約数和(自身を含む): 35730240

約数和(自身を除く): 15716115

約数列:

[1, 3, 5, 15, 19, 25, 53, 57, 75, 95, 125, 159, 265, 285, 375, 475, 795, 1007, 1325, 1425, 2375, 2809, 3021, 3975, 5035, 6625, 7125, 8427, 14045, 15105, 19875, 25175, 42135, 53371, 70225, 75525, 125875, 160113, 210675, 266855, 351125, 377625, 800565, 1053375, 1334275, 4002825, 6671375, 20014125]

約数ペア:

[(1, 20014125), (3, 6671375), (5, 4002825), (15, 1334275), (19, 1053375), (25, 800565), (53, 377625), (57, 351125), (75, 266855), (95, 210675), (125, 160113), (159, 125875), (265, 75525), (285, 70225), (375, 53371), (475, 42135), (795, 25175), (1007, 19875), (1325, 15105), (1425, 14045), (2375, 8427), (2809, 7125), (3021, 6625), (3975, 5035)]