20528079

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 32524800

約数和(自身を除く): 11996721

約数列:

[1, 3, 11, 13, 33, 39, 109, 143, 327, 429, 439, 1199, 1317, 1417, 3597, 4251, 4829, 5707, 14487, 15587, 17121, 46761, 47851, 62777, 143553, 188331, 526361, 622063, 1579083, 1866189, 6842693, 20528079]

約数ペア:

[(1, 20528079), (3, 6842693), (11, 1866189), (13, 1579083), (33, 622063), (39, 526361), (109, 188331), (143, 143553), (327, 62777), (429, 47851), (439, 46761), (1199, 17121), (1317, 15587), (1417, 14487), (3597, 5707), (4251, 4829)]