20588868

素因数分解:

$2^2\times 3^2\times {\mathrm{443}}^1\times {\mathrm{1291}}^1$

素因数の和:1744

約数の個数: 36

約数和(自身を含む): 52201968

約数和(自身を除く): 31613100

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 443, 886, 1291, 1329, 1772, 2582, 2658, 3873, 3987, 5164, 5316, 7746, 7974, 11619, 15492, 15948, 23238, 46476, 571913, 1143826, 1715739, 2287652, 3431478, 5147217, 6862956, 10294434, 20588868]

約数ペア:

[(1, 20588868), (2, 10294434), (3, 6862956), (4, 5147217), (6, 3431478), (9, 2287652), (12, 1715739), (18, 1143826), (36, 571913), (443, 46476), (886, 23238), (1291, 15948), (1329, 15492), (1772, 11619), (2582, 7974), (2658, 7746), (3873, 5316), (3987, 5164)]