20349406

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:509

約数の個数: 48

約数和(自身を含む): 39726720

約数和(自身を除く): 19377314

約数列:

[1, 2, 7, 11, 14, 22, 43, 49, 77, 86, 98, 154, 301, 439, 473, 539, 602, 878, 946, 1078, 2107, 3073, 3311, 4214, 4829, 6146, 6622, 9658, 18877, 21511, 23177, 33803, 37754, 43022, 46354, 67606, 132139, 207647, 236621, 264278, 415294, 473242, 924973, 1453529, 1849946, 2907058, 10174703, 20349406]

約数ペア:

[(1, 20349406), (2, 10174703), (7, 2907058), (11, 1849946), (14, 1453529), (22, 924973), (43, 473242), (49, 415294), (77, 264278), (86, 236621), (98, 207647), (154, 132139), (301, 67606), (439, 46354), (473, 43022), (539, 37754), (602, 33803), (878, 23177), (946, 21511), (1078, 18877), (2107, 9658), (3073, 6622), (3311, 6146), (4214, 4829)]