20162813296

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1\times {\mathrm{1399}}^1$

素因数の和:1874

約数の個数: 80

約数和(自身を含む): 41013000000

約数和(自身を除く): 20850186704

約数列:

[1, 2, 4, 8, 16, 29, 58, 89, 116, 178, 232, 349, 356, 464, 698, 712, 1396, 1399, 1424, 2581, 2792, 2798, 5162, 5584, 5596, 10121, 10324, 11192, 20242, 20648, 22384, 31061, 40484, 40571, 41296, 62122, 80968, 81142, 124244, 124511, 161936, 162284, 248488, 249022, 324568, 488251, 496976, 498044, 649136, 900769, 976502, 996088, 1801538, 1953004, 1992176, 3603076, 3610819, 3906008, 7206152, 7221638, 7812016, 14159279, 14412304, 14443276, 28318558, 28886552, 43454339, 56637116, 57773104, 86908678, 113274232, 173817356, 226548464, 347634712, 695269424, 1260175831, 2520351662, 5040703324, 10081406648, 20162813296]

約数ペア:

[(1, 20162813296), (2, 10081406648), (4, 5040703324), (8, 2520351662), (16, 1260175831), (29, 695269424), (58, 347634712), (89, 226548464), (116, 173817356), (178, 113274232), (232, 86908678), (349, 57773104), (356, 56637116), (464, 43454339), (698, 28886552), (712, 28318558), (1396, 14443276), (1399, 14412304), (1424, 14159279), (2581, 7812016), (2792, 7221638), (2798, 7206152), (5162, 3906008), (5584, 3610819), (5596, 3603076), (10121, 1992176), (10324, 1953004), (11192, 1801538), (20242, 996088), (20648, 976502), (22384, 900769), (31061, 649136), (40484, 498044), (40571, 496976), (41296, 488251), (62122, 324568), (80968, 249022), (81142, 248488), (124244, 162284), (124511, 161936)]