20938045310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1381}}^1\times {\mathrm{16661}}^1$

素因数の和:18069

約数の個数: 64

約数和(自身を含む): 46422198144

約数和(自身を除く): 25484152834

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 1381, 2762, 6905, 9667, 13810, 16661, 17953, 19334, 33322, 35906, 48335, 83305, 89765, 96670, 116627, 125671, 166610, 179530, 216593, 233254, 251342, 433186, 583135, 628355, 1082965, 1166270, 1256710, 1516151, 2165930, 3032302, 7580755, 15161510, 23008841, 46017682, 115044205, 161061887, 230088410, 299114933, 322123774, 598229866, 805309435, 1495574665, 1610618870, 2093804531, 2991149330, 4187609062, 10469022655, 20938045310]

約数ペア:

[(1, 20938045310), (2, 10469022655), (5, 4187609062), (7, 2991149330), (10, 2093804531), (13, 1610618870), (14, 1495574665), (26, 805309435), (35, 598229866), (65, 322123774), (70, 299114933), (91, 230088410), (130, 161061887), (182, 115044205), (455, 46017682), (910, 23008841), (1381, 15161510), (2762, 7580755), (6905, 3032302), (9667, 2165930), (13810, 1516151), (16661, 1256710), (17953, 1166270), (19334, 1082965), (33322, 628355), (35906, 583135), (48335, 433186), (83305, 251342), (89765, 233254), (96670, 216593), (116627, 179530), (125671, 166610)]