20044388

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1039}}^1$

素因数の和:1116

約数の個数: 48

約数和(自身を含む): 44029440

約数和(自身を除く): 23985052

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 91, 106, 182, 212, 364, 371, 689, 742, 1039, 1378, 1484, 2078, 2756, 4156, 4823, 7273, 9646, 13507, 14546, 19292, 27014, 29092, 54028, 55067, 94549, 110134, 189098, 220268, 378196, 385469, 715871, 770938, 1431742, 1541876, 2863484, 5011097, 10022194, 20044388]

約数ペア:

[(1, 20044388), (2, 10022194), (4, 5011097), (7, 2863484), (13, 1541876), (14, 1431742), (26, 770938), (28, 715871), (52, 385469), (53, 378196), (91, 220268), (106, 189098), (182, 110134), (212, 94549), (364, 55067), (371, 54028), (689, 29092), (742, 27014), (1039, 19292), (1378, 14546), (1484, 13507), (2078, 9646), (2756, 7273), (4156, 4823)]