20693778

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{1193}}^1$

素因数の和:1271

約数の個数: 48

約数和(自身を含む): 49001760

約数和(自身を除く): 28307982

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 59, 98, 118, 147, 177, 294, 354, 413, 826, 1193, 1239, 2386, 2478, 2891, 3579, 5782, 7158, 8351, 8673, 16702, 17346, 25053, 50106, 58457, 70387, 116914, 140774, 175371, 211161, 350742, 422322, 492709, 985418, 1478127, 2956254, 3448963, 6897926, 10346889, 20693778]

約数ペア:

[(1, 20693778), (2, 10346889), (3, 6897926), (6, 3448963), (7, 2956254), (14, 1478127), (21, 985418), (42, 492709), (49, 422322), (59, 350742), (98, 211161), (118, 175371), (147, 140774), (177, 116914), (294, 70387), (354, 58457), (413, 50106), (826, 25053), (1193, 17346), (1239, 16702), (2386, 8673), (2478, 8351), (2891, 7158), (3579, 5782)]