20171541320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{167149}}^1$

素因数の和:167598

約数の個数: 64

約数和(自身を含む): 51990336000

約数和(自身を除く): 31818794680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 431, 862, 1724, 2155, 3017, 3448, 4310, 6034, 8620, 12068, 15085, 17240, 24136, 30170, 60340, 120680, 167149, 334298, 668596, 835745, 1170043, 1337192, 1671490, 2340086, 3342980, 4680172, 5850215, 6685960, 9360344, 11700430, 23400860, 46801720, 72041219, 144082438, 288164876, 360206095, 504288533, 576329752, 720412190, 1008577066, 1440824380, 2017154132, 2521442665, 2881648760, 4034308264, 5042885330, 10085770660, 20171541320]

約数ペア:

[(1, 20171541320), (2, 10085770660), (4, 5042885330), (5, 4034308264), (7, 2881648760), (8, 2521442665), (10, 2017154132), (14, 1440824380), (20, 1008577066), (28, 720412190), (35, 576329752), (40, 504288533), (56, 360206095), (70, 288164876), (140, 144082438), (280, 72041219), (431, 46801720), (862, 23400860), (1724, 11700430), (2155, 9360344), (3017, 6685960), (3448, 5850215), (4310, 4680172), (6034, 3342980), (8620, 2340086), (12068, 1671490), (15085, 1337192), (17240, 1170043), (24136, 835745), (30170, 668596), (60340, 334298), (120680, 167149)]