20072560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10909}}^1$

素因数の和:10945

約数の個数: 40

約数和(自身を含む): 48702240

約数和(自身を除く): 28629680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 10909, 21818, 43636, 54545, 87272, 109090, 174544, 218180, 250907, 436360, 501814, 872720, 1003628, 1254535, 2007256, 2509070, 4014512, 5018140, 10036280, 20072560]

約数ペア:

[(1, 20072560), (2, 10036280), (4, 5018140), (5, 4014512), (8, 2509070), (10, 2007256), (16, 1254535), (20, 1003628), (23, 872720), (40, 501814), (46, 436360), (80, 250907), (92, 218180), (115, 174544), (184, 109090), (230, 87272), (368, 54545), (460, 43636), (920, 21818), (1840, 10909)]