20848970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4229}}^1$

素因数の和:4282

約数の個数: 32

約数和(自身を含む): 41115600

約数和(自身を除く): 20266630

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 4229, 4930, 8458, 21145, 42290, 71893, 122641, 143786, 245282, 359465, 613205, 718930, 1226410, 2084897, 4169794, 10424485, 20848970]

約数ペア:

[(1, 20848970), (2, 10424485), (5, 4169794), (10, 2084897), (17, 1226410), (29, 718930), (34, 613205), (58, 359465), (85, 245282), (145, 143786), (170, 122641), (290, 71893), (493, 42290), (986, 21145), (2465, 8458), (4229, 4930)]