20214343891

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{487}}^1\times {\mathrm{911}}^1$

素因数の和:1711

約数の個数: 32

約数和(自身を含む): 24268013568

約数和(自身を除く): 4053669677

約数列:

[1, 7, 23, 161, 283, 487, 911, 1981, 3409, 6377, 6509, 11201, 20953, 45563, 78407, 137821, 146671, 257813, 443657, 964747, 1804691, 3105599, 3169883, 5929699, 10204111, 22189181, 41507893, 71428777, 125554931, 878884517, 2887763413, 20214343891]

約数ペア:

[(1, 20214343891), (7, 2887763413), (23, 878884517), (161, 125554931), (283, 71428777), (487, 41507893), (911, 22189181), (1981, 10204111), (3409, 5929699), (6377, 3169883), (6509, 3105599), (11201, 1804691), (20953, 964747), (45563, 443657), (78407, 257813), (137821, 146671)]