20123486530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{796339}}^1$

素因数の和:796391

約数の個数: 48

約数和(自身を含む): 43690397760

約数和(自身を除く): 23566911230

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 361, 665, 722, 1330, 1805, 2527, 3610, 5054, 12635, 25270, 796339, 1592678, 3981695, 5574373, 7963390, 11148746, 15130441, 27871865, 30260882, 55743730, 75652205, 105913087, 151304410, 211826174, 287478379, 529565435, 574956758, 1059130870, 1437391895, 2012348653, 2874783790, 4024697306, 10061743265, 20123486530]

約数ペア:

[(1, 20123486530), (2, 10061743265), (5, 4024697306), (7, 2874783790), (10, 2012348653), (14, 1437391895), (19, 1059130870), (35, 574956758), (38, 529565435), (70, 287478379), (95, 211826174), (133, 151304410), (190, 105913087), (266, 75652205), (361, 55743730), (665, 30260882), (722, 27871865), (1330, 15130441), (1805, 11148746), (2527, 7963390), (3610, 5574373), (5054, 3981695), (12635, 1592678), (25270, 796339)]