20227840

素因数分解:

$2^8\times 5^1\times {\mathrm{15803}}^1$

素因数の和:15824

約数の個数: 36

約数和(自身を含む): 48455064

約数和(自身を除く): 28227224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 15803, 31606, 63212, 79015, 126424, 158030, 252848, 316060, 505696, 632120, 1011392, 1264240, 2022784, 2528480, 4045568, 5056960, 10113920, 20227840]

約数ペア:

[(1, 20227840), (2, 10113920), (4, 5056960), (5, 4045568), (8, 2528480), (10, 2022784), (16, 1264240), (20, 1011392), (32, 632120), (40, 505696), (64, 316060), (80, 252848), (128, 158030), (160, 126424), (256, 79015), (320, 63212), (640, 31606), (1280, 15803)]