20409822741

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{136139}}^1$

素因数の和:136230

約数の個数: 48

約数和(自身を含む): 34764710400

約数和(自身を除く): 14354887659

約数列:

[1, 3, 7, 11, 21, 33, 59, 77, 121, 177, 231, 363, 413, 649, 847, 1239, 1947, 2541, 4543, 7139, 13629, 21417, 49973, 136139, 149919, 408417, 952973, 1497529, 2858919, 4492587, 8032201, 10482703, 16472819, 24096603, 31448109, 49418457, 56225407, 88354211, 115309733, 168676221, 265062633, 345929199, 618479477, 971896321, 1855438431, 2915688963, 6803274247, 20409822741]

約数ペア:

[(1, 20409822741), (3, 6803274247), (7, 2915688963), (11, 1855438431), (21, 971896321), (33, 618479477), (59, 345929199), (77, 265062633), (121, 168676221), (177, 115309733), (231, 88354211), (363, 56225407), (413, 49418457), (649, 31448109), (847, 24096603), (1239, 16472819), (1947, 10482703), (2541, 8032201), (4543, 4492587), (7139, 2858919), (13629, 1497529), (21417, 952973), (49973, 408417), (136139, 149919)]