20120810247

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{811}}^1\times {\mathrm{5003}}^1$

素因数の和:5868

約数の個数: 48

約数和(自身を含む): 31693334400

約数和(自身を除く): 11572524153

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 811, 1653, 2433, 4959, 5003, 7299, 15009, 15409, 23519, 45027, 46227, 70557, 95057, 138681, 145087, 211671, 285171, 435261, 446861, 855513, 1305783, 1340583, 2756653, 4021749, 4057433, 8269959, 12172299, 24809877, 36516897, 77091227, 117665557, 231273681, 352996671, 693821043, 1058990013, 2235645583, 6706936749, 20120810247]

約数ペア:

[(1, 20120810247), (3, 6706936749), (9, 2235645583), (19, 1058990013), (29, 693821043), (57, 352996671), (87, 231273681), (171, 117665557), (261, 77091227), (551, 36516897), (811, 24809877), (1653, 12172299), (2433, 8269959), (4959, 4057433), (5003, 4021749), (7299, 2756653), (15009, 1340583), (15409, 1305783), (23519, 855513), (45027, 446861), (46227, 435261), (70557, 285171), (95057, 211671), (138681, 145087)]