20894330

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{34253}}^1$

素因数の和:34321

約数の個数: 16

約数和(自身を含む): 38227464

約数和(自身を除く): 17333134

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 34253, 68506, 171265, 342530, 2089433, 4178866, 10447165, 20894330]

約数ペア:

[(1, 20894330), (2, 10447165), (5, 4178866), (10, 2089433), (61, 342530), (122, 171265), (305, 68506), (610, 34253)]