20809974654

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{55052843}}^1$

素因数の和:55052861

約数の個数: 32

約数和(自身を含む): 52850730240

約数和(自身を除く): 32040755586

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 55052843, 110105686, 165158529, 330317058, 385369901, 495475587, 770739802, 990951174, 1156109703, 1486426761, 2312219406, 2972853522, 3468329109, 6936658218, 10404987327, 20809974654]

約数ペア:

[(1, 20809974654), (2, 10404987327), (3, 6936658218), (6, 3468329109), (7, 2972853522), (9, 2312219406), (14, 1486426761), (18, 1156109703), (21, 990951174), (27, 770739802), (42, 495475587), (54, 385369901), (63, 330317058), (126, 165158529), (189, 110105686), (378, 55052843)]