20819625

素因数分解:

$3^1\times 5^3\times {\mathrm{59}}^1\times {\mathrm{941}}^1$

素因数の和:1018

約数の個数: 32

約数和(自身を含む): 35268480

約数和(自身を除く): 14448855

約数列:

[1, 3, 5, 15, 25, 59, 75, 125, 177, 295, 375, 885, 941, 1475, 2823, 4425, 4705, 7375, 14115, 22125, 23525, 55519, 70575, 117625, 166557, 277595, 352875, 832785, 1387975, 4163925, 6939875, 20819625]

約数ペア:

[(1, 20819625), (3, 6939875), (5, 4163925), (15, 1387975), (25, 832785), (59, 352875), (75, 277595), (125, 166557), (177, 117625), (295, 70575), (375, 55519), (885, 23525), (941, 22125), (1475, 14115), (2823, 7375), (4425, 4705)]