20299708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1543}}^1$

素因数の和:1594

約数の個数: 48

約数和(自身を含む): 43577856

約数和(自身を除く): 23278148

約数列:

[1, 2, 4, 11, 13, 22, 23, 26, 44, 46, 52, 92, 143, 253, 286, 299, 506, 572, 598, 1012, 1196, 1543, 3086, 3289, 6172, 6578, 13156, 16973, 20059, 33946, 35489, 40118, 67892, 70978, 80236, 141956, 220649, 390379, 441298, 461357, 780758, 882596, 922714, 1561516, 1845428, 5074927, 10149854, 20299708]

約数ペア:

[(1, 20299708), (2, 10149854), (4, 5074927), (11, 1845428), (13, 1561516), (22, 922714), (23, 882596), (26, 780758), (44, 461357), (46, 441298), (52, 390379), (92, 220649), (143, 141956), (253, 80236), (286, 70978), (299, 67892), (506, 40118), (572, 35489), (598, 33946), (1012, 20059), (1196, 16973), (1543, 13156), (3086, 6578), (3289, 6172)]