20122424

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{919}}^1$

素因数の和:972

約数の個数: 64

約数和(自身を含む): 47692800

約数和(自身を除く): 27570376

約数列:

[1, 2, 4, 7, 8, 14, 17, 23, 28, 34, 46, 56, 68, 92, 119, 136, 161, 184, 238, 322, 391, 476, 644, 782, 919, 952, 1288, 1564, 1838, 2737, 3128, 3676, 5474, 6433, 7352, 10948, 12866, 15623, 21137, 21896, 25732, 31246, 42274, 51464, 62492, 84548, 109361, 124984, 147959, 169096, 218722, 295918, 359329, 437444, 591836, 718658, 874888, 1183672, 1437316, 2515303, 2874632, 5030606, 10061212, 20122424]

約数ペア:

[(1, 20122424), (2, 10061212), (4, 5030606), (7, 2874632), (8, 2515303), (14, 1437316), (17, 1183672), (23, 874888), (28, 718658), (34, 591836), (46, 437444), (56, 359329), (68, 295918), (92, 218722), (119, 169096), (136, 147959), (161, 124984), (184, 109361), (238, 84548), (322, 62492), (391, 51464), (476, 42274), (644, 31246), (782, 25732), (919, 21896), (952, 21137), (1288, 15623), (1564, 12866), (1838, 10948), (2737, 7352), (3128, 6433), (3676, 5474)]