20123090918

素因数分解:

$2^1\times 7^1\times {\mathrm{39113}}^1\times {\mathrm{36749}}^1$

素因数の和:75871

約数の個数: 16

約数和(自身を含む): 34498548000

約数和(自身を除く): 14375457082

約数列:

[1, 2, 7, 14, 36749, 39113, 73498, 78226, 257243, 273791, 514486, 547582, 1437363637, 2874727274, 10061545459, 20123090918]

約数ペア:

[(1, 20123090918), (2, 10061545459), (7, 2874727274), (14, 1437363637), (36749, 547582), (39113, 514486), (73498, 273791), (78226, 257243)]