20201373584

素因数分解:

$2^4\times 7^1\times {\mathrm{397}}^1\times {\mathrm{454331}}^1$

素因数の和:454743

約数の個数: 40

約数和(自身を含む): 44844385728

約数和(自身を除く): 24643012144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 397, 794, 1588, 2779, 3176, 5558, 6352, 11116, 22232, 44464, 454331, 908662, 1817324, 3180317, 3634648, 6360634, 7269296, 12721268, 25442536, 50885072, 180369407, 360738814, 721477628, 1262585849, 1442955256, 2525171698, 2885910512, 5050343396, 10100686792, 20201373584]

約数ペア:

[(1, 20201373584), (2, 10100686792), (4, 5050343396), (7, 2885910512), (8, 2525171698), (14, 1442955256), (16, 1262585849), (28, 721477628), (56, 360738814), (112, 180369407), (397, 50885072), (794, 25442536), (1588, 12721268), (2779, 7269296), (3176, 6360634), (5558, 3634648), (6352, 3180317), (11116, 1817324), (22232, 908662), (44464, 454331)]