20406918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{3709}}^1$

素因数の和:3852

約数の個数: 32

約数和(自身を含む): 47013120

約数和(自身を除く): 26606202

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 131, 262, 393, 786, 917, 1834, 2751, 3709, 5502, 7418, 11127, 22254, 25963, 51926, 77889, 155778, 485879, 971758, 1457637, 2915274, 3401153, 6802306, 10203459, 20406918]

約数ペア:

[(1, 20406918), (2, 10203459), (3, 6802306), (6, 3401153), (7, 2915274), (14, 1457637), (21, 971758), (42, 485879), (131, 155778), (262, 77889), (393, 51926), (786, 25963), (917, 22254), (1834, 11127), (2751, 7418), (3709, 5502)]