20422064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2089}}^1$

素因数の和:2157

約数の個数: 40

約数和(自身を含む): 43538880

約数和(自身を除く): 23116816

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 2089, 2444, 4178, 4888, 8356, 9776, 16712, 27157, 33424, 54314, 98183, 108628, 196366, 217256, 392732, 434512, 785464, 1276379, 1570928, 2552758, 5105516, 10211032, 20422064]

約数ペア:

[(1, 20422064), (2, 10211032), (4, 5105516), (8, 2552758), (13, 1570928), (16, 1276379), (26, 785464), (47, 434512), (52, 392732), (94, 217256), (104, 196366), (188, 108628), (208, 98183), (376, 54314), (611, 33424), (752, 27157), (1222, 16712), (2089, 9776), (2444, 8356), (4178, 4888)]