20139920360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{11071}}^1$

素因数の和:11251

約数の個数: 128

約数和(自身を含む): 53092454400

約数和(自身を除く): 32952534040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 89, 140, 146, 178, 280, 292, 356, 365, 445, 511, 584, 623, 712, 730, 890, 1022, 1246, 1460, 1780, 2044, 2492, 2555, 2920, 3115, 3560, 4088, 4984, 5110, 6230, 6497, 10220, 11071, 12460, 12994, 20440, 22142, 24920, 25988, 32485, 44284, 45479, 51976, 55355, 64970, 77497, 88568, 90958, 110710, 129940, 154994, 181916, 221420, 227395, 259880, 309988, 363832, 387485, 442840, 454790, 619976, 774970, 808183, 909580, 985319, 1549940, 1616366, 1819160, 1970638, 3099880, 3232732, 3941276, 4040915, 4926595, 5657281, 6465464, 6897233, 7882552, 8081830, 9853190, 11314562, 13794466, 16163660, 19706380, 22629124, 27588932, 28286405, 32327320, 34486165, 39412760, 45258248, 55177864, 56572810, 68972330, 71928287, 113145620, 137944660, 143856574, 226291240, 275889320, 287713148, 359641435, 503498009, 575426296, 719282870, 1006996018, 1438565740, 2013992036, 2517490045, 2877131480, 4027984072, 5034980090, 10069960180, 20139920360]

約数ペア:

[(1, 20139920360), (2, 10069960180), (4, 5034980090), (5, 4027984072), (7, 2877131480), (8, 2517490045), (10, 2013992036), (14, 1438565740), (20, 1006996018), (28, 719282870), (35, 575426296), (40, 503498009), (56, 359641435), (70, 287713148), (73, 275889320), (89, 226291240), (140, 143856574), (146, 137944660), (178, 113145620), (280, 71928287), (292, 68972330), (356, 56572810), (365, 55177864), (445, 45258248), (511, 39412760), (584, 34486165), (623, 32327320), (712, 28286405), (730, 27588932), (890, 22629124), (1022, 19706380), (1246, 16163660), (1460, 13794466), (1780, 11314562), (2044, 9853190), (2492, 8081830), (2555, 7882552), (2920, 6897233), (3115, 6465464), (3560, 5657281), (4088, 4926595), (4984, 4040915), (5110, 3941276), (6230, 3232732), (6497, 3099880), (10220, 1970638), (11071, 1819160), (12460, 1616366), (12994, 1549940), (20440, 985319), (22142, 909580), (24920, 808183), (25988, 774970), (32485, 619976), (44284, 454790), (45479, 442840), (51976, 387485), (55355, 363832), (64970, 309988), (77497, 259880), (88568, 227395), (90958, 221420), (110710, 181916), (129940, 154994)]