20942012

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8219}}^1$

素因数の和:8250

約数の個数: 36

約数和(自身を含む): 45916920

約数和(自身を除く): 24974908

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 8219, 16438, 32876, 57533, 106847, 115066, 213694, 230132, 402731, 427388, 747929, 805462, 1495858, 1610924, 2991716, 5235503, 10471006, 20942012]

約数ペア:

[(1, 20942012), (2, 10471006), (4, 5235503), (7, 2991716), (13, 1610924), (14, 1495858), (26, 805462), (28, 747929), (49, 427388), (52, 402731), (91, 230132), (98, 213694), (182, 115066), (196, 106847), (364, 57533), (637, 32876), (1274, 16438), (2548, 8219)]