20266210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1229}}^1$

素因数の和:1350

約数の個数: 32

約数和(自身を含む): 39054960

約数和(自身を除く): 18788750

約数列:

[1, 2, 5, 10, 17, 34, 85, 97, 170, 194, 485, 970, 1229, 1649, 2458, 3298, 6145, 8245, 12290, 16490, 20893, 41786, 104465, 119213, 208930, 238426, 596065, 1192130, 2026621, 4053242, 10133105, 20266210]

約数ペア:

[(1, 20266210), (2, 10133105), (5, 4053242), (10, 2026621), (17, 1192130), (34, 596065), (85, 238426), (97, 208930), (170, 119213), (194, 104465), (485, 41786), (970, 20893), (1229, 16490), (1649, 12290), (2458, 8245), (3298, 6145)]