20196808112

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{53381}}^1$

素因数の和:53526

約数の個数: 80

約数和(自身を含む): 45038179872

約数和(自身を除く): 24841371760

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 107, 136, 208, 214, 221, 272, 428, 442, 856, 884, 1391, 1712, 1768, 1819, 2782, 3536, 3638, 5564, 7276, 11128, 14552, 22256, 23647, 29104, 47294, 53381, 94588, 106762, 189176, 213524, 378352, 427048, 693953, 854096, 907477, 1387906, 1814954, 2775812, 3629908, 5551624, 5711767, 7259816, 11103248, 11423534, 11797201, 14519632, 22847068, 23594402, 45694136, 47188804, 74252971, 91388272, 94377608, 97100039, 148505942, 188755216, 194200078, 297011884, 388400156, 594023768, 776800312, 1188047536, 1262300507, 1553600624, 2524601014, 5049202028, 10098404056, 20196808112]

約数ペア:

[(1, 20196808112), (2, 10098404056), (4, 5049202028), (8, 2524601014), (13, 1553600624), (16, 1262300507), (17, 1188047536), (26, 776800312), (34, 594023768), (52, 388400156), (68, 297011884), (104, 194200078), (107, 188755216), (136, 148505942), (208, 97100039), (214, 94377608), (221, 91388272), (272, 74252971), (428, 47188804), (442, 45694136), (856, 23594402), (884, 22847068), (1391, 14519632), (1712, 11797201), (1768, 11423534), (1819, 11103248), (2782, 7259816), (3536, 5711767), (3638, 5551624), (5564, 3629908), (7276, 2775812), (11128, 1814954), (14552, 1387906), (22256, 907477), (23647, 854096), (29104, 693953), (47294, 427048), (53381, 378352), (94588, 213524), (106762, 189176)]