20566416

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1433}}^1$

素因数の和:1480

約数の個数: 80

約数和(自身を含む): 59746176

約数和(自身を除く): 39179760

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 39, 46, 48, 52, 69, 78, 92, 104, 138, 156, 184, 208, 276, 299, 312, 368, 552, 598, 624, 897, 1104, 1196, 1433, 1794, 2392, 2866, 3588, 4299, 4784, 5732, 7176, 8598, 11464, 14352, 17196, 18629, 22928, 32959, 34392, 37258, 55887, 65918, 68784, 74516, 98877, 111774, 131836, 149032, 197754, 223548, 263672, 298064, 395508, 428467, 447096, 527344, 791016, 856934, 894192, 1285401, 1582032, 1713868, 2570802, 3427736, 5141604, 6855472, 10283208, 20566416]

約数ペア:

[(1, 20566416), (2, 10283208), (3, 6855472), (4, 5141604), (6, 3427736), (8, 2570802), (12, 1713868), (13, 1582032), (16, 1285401), (23, 894192), (24, 856934), (26, 791016), (39, 527344), (46, 447096), (48, 428467), (52, 395508), (69, 298064), (78, 263672), (92, 223548), (104, 197754), (138, 149032), (156, 131836), (184, 111774), (208, 98877), (276, 74516), (299, 68784), (312, 65918), (368, 55887), (552, 37258), (598, 34392), (624, 32959), (897, 22928), (1104, 18629), (1196, 17196), (1433, 14352), (1794, 11464), (2392, 8598), (2866, 7176), (3588, 5732), (4299, 4784)]