20553880308

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1279181}}^1$

素因数の和:1279304

約数の個数: 48

約数和(自身を含む): 52149691776

約数和(自身を除く): 31595811468

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 103, 156, 206, 309, 412, 618, 1236, 1339, 2678, 4017, 5356, 8034, 16068, 1279181, 2558362, 3837543, 5116724, 7675086, 15350172, 16629353, 33258706, 49888059, 66517412, 99776118, 131755643, 199552236, 263511286, 395266929, 527022572, 790533858, 1581067716, 1712823359, 3425646718, 5138470077, 6851293436, 10276940154, 20553880308]

約数ペア:

[(1, 20553880308), (2, 10276940154), (3, 6851293436), (4, 5138470077), (6, 3425646718), (12, 1712823359), (13, 1581067716), (26, 790533858), (39, 527022572), (52, 395266929), (78, 263511286), (103, 199552236), (156, 131755643), (206, 99776118), (309, 66517412), (412, 49888059), (618, 33258706), (1236, 16629353), (1339, 15350172), (2678, 7675086), (4017, 5116724), (5356, 3837543), (8034, 2558362), (16068, 1279181)]