20851490198

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1340587}}^1$

素因数の和:1340708

約数の個数: 32

約数和(自身を含む): 39381113088

約数和(自身を除く): 18529622890

約数列:

[1, 2, 7, 11, 14, 22, 77, 101, 154, 202, 707, 1111, 1414, 2222, 7777, 15554, 1340587, 2681174, 9384109, 14746457, 18768218, 29492914, 103225199, 135399287, 206450398, 270798574, 947795009, 1489392157, 1895590018, 2978784314, 10425745099, 20851490198]

約数ペア:

[(1, 20851490198), (2, 10425745099), (7, 2978784314), (11, 1895590018), (14, 1489392157), (22, 947795009), (77, 270798574), (101, 206450398), (154, 135399287), (202, 103225199), (707, 29492914), (1111, 18768218), (1414, 14746457), (2222, 9384109), (7777, 2681174), (15554, 1340587)]