20218098835

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{449941}}^1$

素因数の和:450019

約数の個数: 32

約数和(自身を含む): 28508325120

約数和(自身を除く): 8290226285

約数列:

[1, 5, 11, 19, 43, 55, 95, 209, 215, 473, 817, 1045, 2365, 4085, 8987, 44935, 449941, 2249705, 4949351, 8548879, 19347463, 24746755, 42744395, 94037669, 96737315, 212822093, 367601797, 470188345, 1064110465, 1838008985, 4043619767, 20218098835]

約数ペア:

[(1, 20218098835), (5, 4043619767), (11, 1838008985), (19, 1064110465), (43, 470188345), (55, 367601797), (95, 212822093), (209, 96737315), (215, 94037669), (473, 42744395), (817, 24746755), (1045, 19347463), (2365, 8548879), (4085, 4949351), (8987, 2249705), (44935, 449941)]