20286774

素因数分解:

$2^1\times 3^4\times {\mathrm{97}}^1\times {\mathrm{1291}}^1$

素因数の和:1402

約数の個数: 40

約数和(自身を含む): 45961608

約数和(自身を除く): 25674834

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 97, 162, 194, 291, 582, 873, 1291, 1746, 2582, 2619, 3873, 5238, 7746, 7857, 11619, 15714, 23238, 34857, 69714, 104571, 125227, 209142, 250454, 375681, 751362, 1127043, 2254086, 3381129, 6762258, 10143387, 20286774]

約数ペア:

[(1, 20286774), (2, 10143387), (3, 6762258), (6, 3381129), (9, 2254086), (18, 1127043), (27, 751362), (54, 375681), (81, 250454), (97, 209142), (162, 125227), (194, 104571), (291, 69714), (582, 34857), (873, 23238), (1291, 15714), (1746, 11619), (2582, 7857), (2619, 7746), (3873, 5238)]