20033871

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:152

約数の個数: 64

約数和(自身を含む): 34546176

約数和(自身を除く): 14512305

約数列:

[1, 3, 11, 13, 17, 33, 39, 41, 51, 67, 123, 143, 187, 201, 221, 429, 451, 533, 561, 663, 697, 737, 871, 1139, 1353, 1599, 2091, 2211, 2431, 2613, 2747, 3417, 5863, 7293, 7667, 8241, 9061, 9581, 12529, 14807, 17589, 23001, 27183, 28743, 30217, 35711, 37587, 44421, 46699, 90651, 99671, 107133, 140097, 162877, 299013, 392821, 488631, 513689, 607087, 1178463, 1541067, 1821261, 6677957, 20033871]

約数ペア:

[(1, 20033871), (3, 6677957), (11, 1821261), (13, 1541067), (17, 1178463), (33, 607087), (39, 513689), (41, 488631), (51, 392821), (67, 299013), (123, 162877), (143, 140097), (187, 107133), (201, 99671), (221, 90651), (429, 46699), (451, 44421), (533, 37587), (561, 35711), (663, 30217), (697, 28743), (737, 27183), (871, 23001), (1139, 17589), (1353, 14807), (1599, 12529), (2091, 9581), (2211, 9061), (2431, 8241), (2613, 7667), (2747, 7293), (3417, 5863)]