20405882

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1033}}^1$

素因数の和:1142

約数の個数: 32

約数和(自身を含む): 37521792

約数和(自身を除く): 17115910

約数列:

[1, 2, 7, 14, 17, 34, 83, 119, 166, 238, 581, 1033, 1162, 1411, 2066, 2822, 7231, 9877, 14462, 17561, 19754, 35122, 85739, 122927, 171478, 245854, 600173, 1200346, 1457563, 2915126, 10202941, 20405882]

約数ペア:

[(1, 20405882), (2, 10202941), (7, 2915126), (14, 1457563), (17, 1200346), (34, 600173), (83, 245854), (119, 171478), (166, 122927), (238, 85739), (581, 35122), (1033, 19754), (1162, 17561), (1411, 14462), (2066, 9877), (2822, 7231)]