20131818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{3659}}^1$

素因数の和:3802

約数の個数: 32

約数和(自身を含む): 46379520

約数和(自身を除く): 26247702

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 131, 262, 393, 786, 917, 1834, 2751, 3659, 5502, 7318, 10977, 21954, 25613, 51226, 76839, 153678, 479329, 958658, 1437987, 2875974, 3355303, 6710606, 10065909, 20131818]

約数ペア:

[(1, 20131818), (2, 10065909), (3, 6710606), (6, 3355303), (7, 2875974), (14, 1437987), (21, 958658), (42, 479329), (131, 153678), (262, 76839), (393, 51226), (786, 25613), (917, 21954), (1834, 10977), (2751, 7318), (3659, 5502)]