20671930

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:414

約数の個数: 32

約数和(自身を含む): 38154240

約数和(自身を除く): 17482310

約数列:

[1, 2, 5, 10, 79, 137, 158, 191, 274, 382, 395, 685, 790, 955, 1370, 1910, 10823, 15089, 21646, 26167, 30178, 52334, 54115, 75445, 108230, 130835, 150890, 261670, 2067193, 4134386, 10335965, 20671930]

約数ペア:

[(1, 20671930), (2, 10335965), (5, 4134386), (10, 2067193), (79, 261670), (137, 150890), (158, 130835), (191, 108230), (274, 75445), (382, 54115), (395, 52334), (685, 30178), (790, 26167), (955, 21646), (1370, 15089), (1910, 10823)]