20606562

素因数分解:

$2^1\times 3^4\times {\mathrm{131}}^1\times {\mathrm{971}}^1$

素因数の和:1116

約数の個数: 40

約数和(自身を含む): 46574352

約数和(自身を除く): 25967790

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 131, 162, 262, 393, 786, 971, 1179, 1942, 2358, 2913, 3537, 5826, 7074, 8739, 10611, 17478, 21222, 26217, 52434, 78651, 127201, 157302, 254402, 381603, 763206, 1144809, 2289618, 3434427, 6868854, 10303281, 20606562]

約数ペア:

[(1, 20606562), (2, 10303281), (3, 6868854), (6, 3434427), (9, 2289618), (18, 1144809), (27, 763206), (54, 381603), (81, 254402), (131, 157302), (162, 127201), (262, 78651), (393, 52434), (786, 26217), (971, 21222), (1179, 17478), (1942, 10611), (2358, 8739), (2913, 7074), (3537, 5826)]