20993388

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5851}}^1$

素因数の和:5894

約数の個数: 48

約数和(自身を含む): 55055616

約数和(自身を除く): 34062228

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 276, 299, 598, 897, 1196, 1794, 3588, 5851, 11702, 17553, 23404, 35106, 70212, 76063, 134573, 152126, 228189, 269146, 304252, 403719, 456378, 538292, 807438, 912756, 1614876, 1749449, 3498898, 5248347, 6997796, 10496694, 20993388]

約数ペア:

[(1, 20993388), (2, 10496694), (3, 6997796), (4, 5248347), (6, 3498898), (12, 1749449), (13, 1614876), (23, 912756), (26, 807438), (39, 538292), (46, 456378), (52, 403719), (69, 304252), (78, 269146), (92, 228189), (138, 152126), (156, 134573), (276, 76063), (299, 70212), (598, 35106), (897, 23404), (1196, 17553), (1794, 11702), (3588, 5851)]