20531406

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{11923}}^1$

素因数の和:11976

約数の個数: 32

約数和(自身を含む): 48077568

約数和(自身を除く): 27546162

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722, 11923, 23846, 35769, 71538, 83461, 166922, 250383, 488843, 500766, 977686, 1466529, 2933058, 3421901, 6843802, 10265703, 20531406]

約数ペア:

[(1, 20531406), (2, 10265703), (3, 6843802), (6, 3421901), (7, 2933058), (14, 1466529), (21, 977686), (41, 500766), (42, 488843), (82, 250383), (123, 166922), (246, 83461), (287, 71538), (574, 35769), (861, 23846), (1722, 11923)]