20123658897

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{131221}}^1$

素因数の和:131369

約数の個数: 32

約数和(自身を含む): 29628877824

約数和(自身を除く): 9505218927

約数列:

[1, 3, 17, 31, 51, 93, 97, 291, 527, 1581, 1649, 3007, 4947, 9021, 51119, 131221, 153357, 393663, 2230757, 4067851, 6692271, 12203553, 12728437, 38185311, 69153467, 207460401, 216383429, 394581547, 649150287, 1183744641, 6707886299, 20123658897]

約数ペア:

[(1, 20123658897), (3, 6707886299), (17, 1183744641), (31, 649150287), (51, 394581547), (93, 216383429), (97, 207460401), (291, 69153467), (527, 38185311), (1581, 12728437), (1649, 12203553), (3007, 6692271), (4947, 4067851), (9021, 2230757), (51119, 393663), (131221, 153357)]