20957198416

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{459749}}^1$

素因数の和:459812

約数の個数: 80

約数和(自身を含む): 51992208000

約数和(自身を除く): 31035009584

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 37, 44, 56, 74, 77, 88, 112, 148, 154, 176, 259, 296, 308, 407, 518, 592, 616, 814, 1036, 1232, 1628, 2072, 2849, 3256, 4144, 5698, 6512, 11396, 22792, 45584, 459749, 919498, 1838996, 3218243, 3677992, 5057239, 6436486, 7355984, 10114478, 12872972, 17010713, 20228956, 25745944, 34021426, 35400673, 40457912, 51491888, 68042852, 70801346, 80915824, 119074991, 136085704, 141602692, 187117843, 238149982, 272171408, 283205384, 374235686, 476299964, 566410768, 748471372, 952599928, 1309824901, 1496942744, 1905199856, 2619649802, 2993885488, 5239299604, 10478599208, 20957198416]

約数ペア:

[(1, 20957198416), (2, 10478599208), (4, 5239299604), (7, 2993885488), (8, 2619649802), (11, 1905199856), (14, 1496942744), (16, 1309824901), (22, 952599928), (28, 748471372), (37, 566410768), (44, 476299964), (56, 374235686), (74, 283205384), (77, 272171408), (88, 238149982), (112, 187117843), (148, 141602692), (154, 136085704), (176, 119074991), (259, 80915824), (296, 70801346), (308, 68042852), (407, 51491888), (518, 40457912), (592, 35400673), (616, 34021426), (814, 25745944), (1036, 20228956), (1232, 17010713), (1628, 12872972), (2072, 10114478), (2849, 7355984), (3256, 6436486), (4144, 5057239), (5698, 3677992), (6512, 3218243), (11396, 1838996), (22792, 919498), (45584, 459749)]