20175930736

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{237163}}^1$

素因数の和:237593

約数の個数: 40

約数和(自身を含む): 42200962160

約数和(自身を除く): 22025031424

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 409, 818, 1636, 3272, 5317, 6544, 10634, 21268, 42536, 85072, 237163, 474326, 948652, 1897304, 3083119, 3794608, 6166238, 12332476, 24664952, 49329904, 96999667, 193999334, 387998668, 775997336, 1260995671, 1551994672, 2521991342, 5043982684, 10087965368, 20175930736]

約数ペア:

[(1, 20175930736), (2, 10087965368), (4, 5043982684), (8, 2521991342), (13, 1551994672), (16, 1260995671), (26, 775997336), (52, 387998668), (104, 193999334), (208, 96999667), (409, 49329904), (818, 24664952), (1636, 12332476), (3272, 6166238), (5317, 3794608), (6544, 3083119), (10634, 1897304), (21268, 948652), (42536, 474326), (85072, 237163)]