20498296

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{761}}^1$

素因数の和:824

約数の個数: 64

約数和(自身を含む): 48646080

約数和(自身を除く): 28147784

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 37, 52, 56, 74, 91, 104, 148, 182, 259, 296, 364, 481, 518, 728, 761, 962, 1036, 1522, 1924, 2072, 3044, 3367, 3848, 5327, 6088, 6734, 9893, 10654, 13468, 19786, 21308, 26936, 28157, 39572, 42616, 56314, 69251, 79144, 112628, 138502, 197099, 225256, 277004, 366041, 394198, 554008, 732082, 788396, 1464164, 1576792, 2562287, 2928328, 5124574, 10249148, 20498296]

約数ペア:

[(1, 20498296), (2, 10249148), (4, 5124574), (7, 2928328), (8, 2562287), (13, 1576792), (14, 1464164), (26, 788396), (28, 732082), (37, 554008), (52, 394198), (56, 366041), (74, 277004), (91, 225256), (104, 197099), (148, 138502), (182, 112628), (259, 79144), (296, 69251), (364, 56314), (481, 42616), (518, 39572), (728, 28157), (761, 26936), (962, 21308), (1036, 19786), (1522, 13468), (1924, 10654), (2072, 9893), (3044, 6734), (3367, 6088), (3848, 5327)]