20172568888

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{418657}}^1$

素因数の和:418999

約数の個数: 32

約数和(自身を含む): 39939973200

約数和(自身を除く): 19767404312

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 317, 634, 1268, 2536, 6023, 12046, 24092, 48184, 418657, 837314, 1674628, 3349256, 7954483, 15908966, 31817932, 63635864, 132714269, 265428538, 530857076, 1061714152, 2521571111, 5043142222, 10086284444, 20172568888]

約数ペア:

[(1, 20172568888), (2, 10086284444), (4, 5043142222), (8, 2521571111), (19, 1061714152), (38, 530857076), (76, 265428538), (152, 132714269), (317, 63635864), (634, 31817932), (1268, 15908966), (2536, 7954483), (6023, 3349256), (12046, 1674628), (24092, 837314), (48184, 418657)]