20458431

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2017}}^1$

素因数の和:2060

約数の個数: 36

約数和(自身を含む): 35888112

約数和(自身を除く): 15429681

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 2017, 3381, 6051, 10143, 14119, 18153, 42357, 46391, 98833, 127071, 139173, 296499, 324737, 417519, 889497, 974211, 2273159, 2922633, 6819477, 20458431]

約数ペア:

[(1, 20458431), (3, 6819477), (7, 2922633), (9, 2273159), (21, 974211), (23, 889497), (49, 417519), (63, 324737), (69, 296499), (147, 139173), (161, 127071), (207, 98833), (441, 46391), (483, 42357), (1127, 18153), (1449, 14119), (2017, 10143), (3381, 6051)]