20512781286

素因数分解:

$2^1\times 3^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1\times {\mathrm{88853}}^1$

素因数の和:89320

約数の個数: 32

約数和(自身を含む): 41519697120

約数和(自身を除く): 21006915834

約数列:

[1, 2, 3, 6, 109, 218, 327, 353, 654, 706, 1059, 2118, 38477, 76954, 88853, 115431, 177706, 230862, 266559, 533118, 9684977, 19369954, 29054931, 31365109, 58109862, 62730218, 94095327, 188190654, 3418796881, 6837593762, 10256390643, 20512781286]

約数ペア:

[(1, 20512781286), (2, 10256390643), (3, 6837593762), (6, 3418796881), (109, 188190654), (218, 94095327), (327, 62730218), (353, 58109862), (654, 31365109), (706, 29054931), (1059, 19369954), (2118, 9684977), (38477, 533118), (76954, 266559), (88853, 230862), (115431, 177706)]