20187663040

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2742889}}^1$

素因数の和:2742929

約数の個数: 56

約数和(自身を含む): 50161972320

約数和(自身を除く): 29974309280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 320, 368, 460, 736, 920, 1472, 1840, 3680, 7360, 2742889, 5485778, 10971556, 13714445, 21943112, 27428890, 43886224, 54857780, 63086447, 87772448, 109715560, 126172894, 175544896, 219431120, 252345788, 315432235, 438862240, 504691576, 630864470, 877724480, 1009383152, 1261728940, 2018766304, 2523457880, 4037532608, 5046915760, 10093831520, 20187663040]

約数ペア:

[(1, 20187663040), (2, 10093831520), (4, 5046915760), (5, 4037532608), (8, 2523457880), (10, 2018766304), (16, 1261728940), (20, 1009383152), (23, 877724480), (32, 630864470), (40, 504691576), (46, 438862240), (64, 315432235), (80, 252345788), (92, 219431120), (115, 175544896), (160, 126172894), (184, 109715560), (230, 87772448), (320, 63086447), (368, 54857780), (460, 43886224), (736, 27428890), (920, 21943112), (1472, 13714445), (1840, 10971556), (3680, 5485778), (7360, 2742889)]