20189984752

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{116981}}^1$

素因数の和:117086

約数の個数: 80

約数和(自身を含む): 47346826752

約数和(自身を除く): 27156842000

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 67, 92, 112, 134, 161, 184, 268, 322, 368, 469, 536, 644, 938, 1072, 1288, 1541, 1876, 2576, 3082, 3752, 6164, 7504, 10787, 12328, 21574, 24656, 43148, 86296, 116981, 172592, 233962, 467924, 818867, 935848, 1637734, 1871696, 2690563, 3275468, 5381126, 6550936, 7837727, 10762252, 13101872, 15675454, 18833941, 21524504, 31350908, 37667882, 43049008, 54864089, 62701816, 75335764, 109728178, 125403632, 150671528, 180267721, 219456356, 301343056, 360535442, 438912712, 721070884, 877825424, 1261874047, 1442141768, 2523748094, 2884283536, 5047496188, 10094992376, 20189984752]

約数ペア:

[(1, 20189984752), (2, 10094992376), (4, 5047496188), (7, 2884283536), (8, 2523748094), (14, 1442141768), (16, 1261874047), (23, 877825424), (28, 721070884), (46, 438912712), (56, 360535442), (67, 301343056), (92, 219456356), (112, 180267721), (134, 150671528), (161, 125403632), (184, 109728178), (268, 75335764), (322, 62701816), (368, 54864089), (469, 43049008), (536, 37667882), (644, 31350908), (938, 21524504), (1072, 18833941), (1288, 15675454), (1541, 13101872), (1876, 10762252), (2576, 7837727), (3082, 6550936), (3752, 5381126), (6164, 3275468), (7504, 2690563), (10787, 1871696), (12328, 1637734), (21574, 935848), (24656, 818867), (43148, 467924), (86296, 233962), (116981, 172592)]