20172837643

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1\times {\mathrm{12647}}^1$

素因数の和:12919

約数の個数: 32

約数和(自身を含む): 24769843200

約数和(自身を除く): 4597005557

約数列:

[1, 7, 19, 67, 133, 179, 469, 1253, 1273, 3401, 8911, 11993, 12647, 23807, 83951, 88529, 227867, 240293, 847349, 1595069, 1682051, 2263813, 5931443, 15846691, 16099631, 43012447, 112697417, 151675471, 301087129, 1061728297, 2881833949, 20172837643]

約数ペア:

[(1, 20172837643), (7, 2881833949), (19, 1061728297), (67, 301087129), (133, 151675471), (179, 112697417), (469, 43012447), (1253, 16099631), (1273, 15846691), (3401, 5931443), (8911, 2263813), (11993, 1682051), (12647, 1595069), (23807, 847349), (83951, 240293), (88529, 227867)]