20080684540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{858883}}^1$

素因数の和:859066

約数の個数: 48

約数和(自身を含む): 48482284032

約数和(自身を除く): 28401599492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 668, 835, 1169, 1670, 2338, 3340, 4676, 5845, 11690, 23380, 858883, 1717766, 3435532, 4294415, 6012181, 8588830, 12024362, 17177660, 24048724, 30060905, 60121810, 120243620, 143433461, 286866922, 573733844, 717167305, 1004034227, 1434334610, 2008068454, 2868669220, 4016136908, 5020171135, 10040342270, 20080684540]

約数ペア:

[(1, 20080684540), (2, 10040342270), (4, 5020171135), (5, 4016136908), (7, 2868669220), (10, 2008068454), (14, 1434334610), (20, 1004034227), (28, 717167305), (35, 573733844), (70, 286866922), (140, 143433461), (167, 120243620), (334, 60121810), (668, 30060905), (835, 24048724), (1169, 17177660), (1670, 12024362), (2338, 8588830), (3340, 6012181), (4676, 4294415), (5845, 3435532), (11690, 1717766), (23380, 858883)]