20664056

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9973}}^1$

素因数の和:10023

約数の個数: 32

約数和(自身を含む): 45481440

約数和(自身を除く): 24817384

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 9973, 19946, 39892, 69811, 79784, 139622, 279244, 369001, 558488, 738002, 1476004, 2583007, 2952008, 5166014, 10332028, 20664056]

約数ペア:

[(1, 20664056), (2, 10332028), (4, 5166014), (7, 2952008), (8, 2583007), (14, 1476004), (28, 738002), (37, 558488), (56, 369001), (74, 279244), (148, 139622), (259, 79784), (296, 69811), (518, 39892), (1036, 19946), (2072, 9973)]