20103112

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2789}}^1$

素因数の和:2865

約数の個数: 32

約数和(自身を含む): 40678200

約数和(自身を除く): 20575088

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 106, 136, 212, 424, 901, 1802, 2789, 3604, 5578, 7208, 11156, 22312, 47413, 94826, 147817, 189652, 295634, 379304, 591268, 1182536, 2512889, 5025778, 10051556, 20103112]

約数ペア:

[(1, 20103112), (2, 10051556), (4, 5025778), (8, 2512889), (17, 1182536), (34, 591268), (53, 379304), (68, 295634), (106, 189652), (136, 147817), (212, 94826), (424, 47413), (901, 22312), (1802, 11156), (2789, 7208), (3604, 5578)]