20156042570

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1321}}^1\times {\mathrm{28789}}^1$

素因数の和:30170

約数の個数: 32

約数和(自身を含む): 36994689360

約数和(自身を除く): 16838646790

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 1321, 2642, 6605, 13210, 28789, 57578, 70013, 140026, 143945, 287890, 350065, 700130, 1525817, 3051634, 7629085, 15258170, 38030269, 76060538, 190151345, 380302690, 2015604257, 4031208514, 10078021285, 20156042570]

約数ペア:

[(1, 20156042570), (2, 10078021285), (5, 4031208514), (10, 2015604257), (53, 380302690), (106, 190151345), (265, 76060538), (530, 38030269), (1321, 15258170), (2642, 7629085), (6605, 3051634), (13210, 1525817), (28789, 700130), (57578, 350065), (70013, 287890), (140026, 143945)]