20701250

素因数分解:

$2^1\times 5^4\times {\mathrm{16561}}^1$

素因数の和:16583

約数の個数: 20

約数和(自身を含む): 38804766

約数和(自身を除く): 18103516

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 16561, 33122, 82805, 165610, 414025, 828050, 2070125, 4140250, 10350625, 20701250]

約数ペア:

[(1, 20701250), (2, 10350625), (5, 4140250), (10, 2070125), (25, 828050), (50, 414025), (125, 165610), (250, 82805), (625, 33122), (1250, 16561)]