20840952

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{887}}^1$

素因数の和:996

約数の個数: 64

約数和(自身を含む): 57542400

約数和(自身を除く): 36701448

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 89, 132, 178, 264, 267, 356, 534, 712, 887, 979, 1068, 1774, 1958, 2136, 2661, 2937, 3548, 3916, 5322, 5874, 7096, 7832, 9757, 10644, 11748, 19514, 21288, 23496, 29271, 39028, 58542, 78056, 78943, 117084, 157886, 234168, 236829, 315772, 473658, 631544, 868373, 947316, 1736746, 1894632, 2605119, 3473492, 5210238, 6946984, 10420476, 20840952]

約数ペア:

[(1, 20840952), (2, 10420476), (3, 6946984), (4, 5210238), (6, 3473492), (8, 2605119), (11, 1894632), (12, 1736746), (22, 947316), (24, 868373), (33, 631544), (44, 473658), (66, 315772), (88, 236829), (89, 234168), (132, 157886), (178, 117084), (264, 78943), (267, 78056), (356, 58542), (534, 39028), (712, 29271), (887, 23496), (979, 21288), (1068, 19514), (1774, 11748), (1958, 10644), (2136, 9757), (2661, 7832), (2937, 7096), (3548, 5874), (3916, 5322)]