20394088

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17827}}^1$

素因数の和:17857

約数の個数: 32

約数和(自身を含む): 44926560

約数和(自身を除く): 24532472

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17827, 35654, 71308, 142616, 196097, 231751, 392194, 463502, 784388, 927004, 1568776, 1854008, 2549261, 5098522, 10197044, 20394088]

約数ペア:

[(1, 20394088), (2, 10197044), (4, 5098522), (8, 2549261), (11, 1854008), (13, 1568776), (22, 927004), (26, 784388), (44, 463502), (52, 392194), (88, 231751), (104, 196097), (143, 142616), (286, 71308), (572, 35654), (1144, 17827)]