20379464816

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{700229}}^1$

素因数の和:700361

約数の個数: 40

約数和(自身を含む): 42198660720

約数和(自身を除く): 21819195904

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 107, 136, 214, 272, 428, 856, 1712, 1819, 3638, 7276, 14552, 29104, 700229, 1400458, 2800916, 5601832, 11203664, 11903893, 23807786, 47615572, 74924503, 95231144, 149849006, 190462288, 299698012, 599396024, 1198792048, 1273716551, 2547433102, 5094866204, 10189732408, 20379464816]

約数ペア:

[(1, 20379464816), (2, 10189732408), (4, 5094866204), (8, 2547433102), (16, 1273716551), (17, 1198792048), (34, 599396024), (68, 299698012), (107, 190462288), (136, 149849006), (214, 95231144), (272, 74924503), (428, 47615572), (856, 23807786), (1712, 11903893), (1819, 11203664), (3638, 5601832), (7276, 2800916), (14552, 1400458), (29104, 700229)]