20197954

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 35819136

約数和(自身を除く): 15621182

約数列:

[1, 2, 7, 14, 61, 67, 122, 134, 353, 427, 469, 706, 854, 938, 2471, 4087, 4942, 8174, 21533, 23651, 28609, 43066, 47302, 57218, 150731, 165557, 301462, 331114, 1442711, 2885422, 10098977, 20197954]

約数ペア:

[(1, 20197954), (2, 10098977), (7, 2885422), (14, 1442711), (61, 331114), (67, 301462), (122, 165557), (134, 150731), (353, 57218), (427, 47302), (469, 43066), (706, 28609), (854, 23651), (938, 21533), (2471, 8174), (4087, 4942)]