20199835060

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1\times {\mathrm{17623}}^1$

素因数の和:18112

約数の個数: 48

約数和(自身を含む): 42778100736

約数和(自身を除く): 22578265676

約数列:

[1, 2, 4, 5, 10, 20, 223, 257, 446, 514, 892, 1028, 1115, 1285, 2230, 2570, 4460, 5140, 17623, 35246, 57311, 70492, 88115, 114622, 176230, 229244, 286555, 352460, 573110, 1146220, 3929929, 4529111, 7859858, 9058222, 15719716, 18116444, 19649645, 22645555, 39299290, 45291110, 78598580, 90582220, 1009991753, 2019983506, 4039967012, 5049958765, 10099917530, 20199835060]

約数ペア:

[(1, 20199835060), (2, 10099917530), (4, 5049958765), (5, 4039967012), (10, 2019983506), (20, 1009991753), (223, 90582220), (257, 78598580), (446, 45291110), (514, 39299290), (892, 22645555), (1028, 19649645), (1115, 18116444), (1285, 15719716), (2230, 9058222), (2570, 7859858), (4460, 4529111), (5140, 3929929), (17623, 1146220), (35246, 573110), (57311, 352460), (70492, 286555), (88115, 229244), (114622, 176230)]