20963646

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{443}}^1$

素因数の和:701

約数の個数: 48

約数和(自身を含む): 49870080

約数和(自身を除く): 28906434

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 239, 443, 478, 717, 886, 1329, 1434, 2151, 2629, 2658, 3987, 4302, 4873, 5258, 7887, 7974, 9746, 14619, 15774, 23661, 29238, 43857, 47322, 87714, 105877, 211754, 317631, 635262, 952893, 1164647, 1905786, 2329294, 3493941, 6987882, 10481823, 20963646]

約数ペア:

[(1, 20963646), (2, 10481823), (3, 6987882), (6, 3493941), (9, 2329294), (11, 1905786), (18, 1164647), (22, 952893), (33, 635262), (66, 317631), (99, 211754), (198, 105877), (239, 87714), (443, 47322), (478, 43857), (717, 29238), (886, 23661), (1329, 15774), (1434, 14619), (2151, 9746), (2629, 7974), (2658, 7887), (3987, 5258), (4302, 4873)]