20752810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2617}}^1$

素因数の和:2698

約数の個数: 32

約数和(自身を含む): 40903632

約数和(自身を除く): 20150822

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 2617, 3965, 5234, 7930, 13085, 26170, 34021, 68042, 159637, 170105, 319274, 340210, 798185, 1596370, 2075281, 4150562, 10376405, 20752810]

約数ペア:

[(1, 20752810), (2, 10376405), (5, 4150562), (10, 2075281), (13, 1596370), (26, 798185), (61, 340210), (65, 319274), (122, 170105), (130, 159637), (305, 68042), (610, 34021), (793, 26170), (1586, 13085), (2617, 7930), (3965, 5234)]