20828230

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{7207}}^1$

素因数の和:7248

約数の個数: 24

約数和(自身を含む): 39831408

約数和(自身を除く): 19003178

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 7207, 14414, 36035, 72070, 122519, 245038, 612595, 1225190, 2082823, 4165646, 10414115, 20828230]

約数ペア:

[(1, 20828230), (2, 10414115), (5, 4165646), (10, 2082823), (17, 1225190), (34, 612595), (85, 245038), (170, 122519), (289, 72070), (578, 36035), (1445, 14414), (2890, 7207)]