20510672

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14087}}^1$

素因数の和:14115

約数の個数: 40

約数和(自身を含む): 48913536

約数和(自身を除く): 28402864

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14087, 28174, 56348, 98609, 112696, 183131, 197218, 225392, 366262, 394436, 732524, 788872, 1281917, 1465048, 1577744, 2563834, 2930096, 5127668, 10255336, 20510672]

約数ペア:

[(1, 20510672), (2, 10255336), (4, 5127668), (7, 2930096), (8, 2563834), (13, 1577744), (14, 1465048), (16, 1281917), (26, 788872), (28, 732524), (52, 394436), (56, 366262), (91, 225392), (104, 197218), (112, 183131), (182, 112696), (208, 98609), (364, 56348), (728, 28174), (1456, 14087)]