20129346740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3251}}^1\times {\mathrm{18211}}^1$

素因数の和:21488

約数の個数: 48

約数和(自身を含む): 44774420544

約数和(自身を除く): 24645073804

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 3251, 6502, 13004, 16255, 18211, 32510, 36422, 55267, 65020, 72844, 91055, 110534, 182110, 221068, 276335, 309587, 364220, 552670, 619174, 1105340, 1238348, 1547935, 3095870, 6191740, 59203961, 118407922, 236815844, 296019805, 592039610, 1006467337, 1184079220, 2012934674, 4025869348, 5032336685, 10064673370, 20129346740]

約数ペア:

[(1, 20129346740), (2, 10064673370), (4, 5032336685), (5, 4025869348), (10, 2012934674), (17, 1184079220), (20, 1006467337), (34, 592039610), (68, 296019805), (85, 236815844), (170, 118407922), (340, 59203961), (3251, 6191740), (6502, 3095870), (13004, 1547935), (16255, 1238348), (18211, 1105340), (32510, 619174), (36422, 552670), (55267, 364220), (65020, 309587), (72844, 276335), (91055, 221068), (110534, 182110)]