20121906

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{727}}^1$

素因数の和:1398

約数の個数: 32

約数和(自身を含む): 46126080

約数和(自身を除く): 26004174

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 659, 727, 1318, 1454, 1977, 2181, 3954, 4362, 4613, 5089, 9226, 10178, 13839, 15267, 27678, 30534, 479093, 958186, 1437279, 2874558, 3353651, 6707302, 10060953, 20121906]

約数ペア:

[(1, 20121906), (2, 10060953), (3, 6707302), (6, 3353651), (7, 2874558), (14, 1437279), (21, 958186), (42, 479093), (659, 30534), (727, 27678), (1318, 15267), (1454, 13839), (1977, 10178), (2181, 9226), (3954, 5089), (4362, 4613)]