20164579659

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{56821}}^1$

素因数の和:57008

約数の個数: 48

約数和(自身を含む): 34322306304

約数和(自身を除く): 14157726645

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 131, 301, 387, 393, 903, 917, 1179, 2709, 2751, 5633, 8253, 16899, 39431, 50697, 56821, 118293, 170463, 354879, 397747, 511389, 1193241, 2443303, 3579723, 7329909, 7443551, 17103121, 21989727, 22330653, 51309363, 52104857, 66991959, 153928089, 156314571, 320072693, 468943713, 960218079, 2240508851, 2880654237, 6721526553, 20164579659]

約数ペア:

[(1, 20164579659), (3, 6721526553), (7, 2880654237), (9, 2240508851), (21, 960218079), (43, 468943713), (63, 320072693), (129, 156314571), (131, 153928089), (301, 66991959), (387, 52104857), (393, 51309363), (903, 22330653), (917, 21989727), (1179, 17103121), (2709, 7443551), (2751, 7329909), (5633, 3579723), (8253, 2443303), (16899, 1193241), (39431, 511389), (50697, 397747), (56821, 354879), (118293, 170463)]