20512742952

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1619}}^1\times {\mathrm{40609}}^1$

素因数の和:42250

約数の個数: 64

約数和(自身を含む): 55262088000

約数和(自身を除く): 34749345048

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 1619, 3238, 4857, 6476, 9714, 12952, 19428, 21047, 38856, 40609, 42094, 63141, 81218, 84188, 121827, 126282, 162436, 168376, 243654, 252564, 324872, 487308, 505128, 527917, 974616, 1055834, 1583751, 2111668, 3167502, 4223336, 6335004, 12670008, 65745971, 131491942, 197237913, 262983884, 394475826, 525967768, 788951652, 854697623, 1577903304, 1709395246, 2564092869, 3418790492, 5128185738, 6837580984, 10256371476, 20512742952]

約数ペア:

[(1, 20512742952), (2, 10256371476), (3, 6837580984), (4, 5128185738), (6, 3418790492), (8, 2564092869), (12, 1709395246), (13, 1577903304), (24, 854697623), (26, 788951652), (39, 525967768), (52, 394475826), (78, 262983884), (104, 197237913), (156, 131491942), (312, 65745971), (1619, 12670008), (3238, 6335004), (4857, 4223336), (6476, 3167502), (9714, 2111668), (12952, 1583751), (19428, 1055834), (21047, 974616), (38856, 527917), (40609, 505128), (42094, 487308), (63141, 324872), (81218, 252564), (84188, 243654), (121827, 168376), (126282, 162436)]