20340032

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:463

約数の個数: 56

約数和(自身を含む): 43586400

約数和(自身を除く): 23246368

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 64, 76, 86, 152, 172, 304, 344, 389, 608, 688, 778, 817, 1216, 1376, 1556, 1634, 2752, 3112, 3268, 6224, 6536, 7391, 12448, 13072, 14782, 16727, 24896, 26144, 29564, 33454, 52288, 59128, 66908, 118256, 133816, 236512, 267632, 317813, 473024, 535264, 635626, 1070528, 1271252, 2542504, 5085008, 10170016, 20340032]

約数ペア:

[(1, 20340032), (2, 10170016), (4, 5085008), (8, 2542504), (16, 1271252), (19, 1070528), (32, 635626), (38, 535264), (43, 473024), (64, 317813), (76, 267632), (86, 236512), (152, 133816), (172, 118256), (304, 66908), (344, 59128), (389, 52288), (608, 33454), (688, 29564), (778, 26144), (817, 24896), (1216, 16727), (1376, 14782), (1556, 13072), (1634, 12448), (2752, 7391), (3112, 6536), (3268, 6224)]