22181840

素因数分解:

$2^4\times 5^1\times {\mathrm{277273}}^1$

素因数の和:277286

約数の個数: 20

約数和(自身を含む): 51572964

約数和(自身を除く): 29391124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277273, 554546, 1109092, 1386365, 2218184, 2772730, 4436368, 5545460, 11090920, 22181840]

約数ペア:

[(1, 22181840), (2, 11090920), (4, 5545460), (5, 4436368), (8, 2772730), (10, 2218184), (16, 1386365), (20, 1109092), (40, 554546), (80, 277273)]