20186674565

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{881}}^1$

素因数の和:1178

約数の個数: 48

約数和(自身を含む): 26182762704

約数和(自身を除く): 5996088139

約数列:

[1, 5, 17, 85, 101, 157, 289, 505, 785, 881, 1445, 1717, 2669, 4405, 8585, 13345, 14977, 15857, 29189, 45373, 74885, 79285, 88981, 138317, 145945, 226865, 254609, 269569, 444905, 691585, 1273045, 1347845, 1512677, 2351389, 4582673, 7563385, 11756945, 13970017, 22913365, 25715509, 39973613, 69850085, 128577545, 199868065, 237490289, 1187451445, 4037334913, 20186674565]

約数ペア:

[(1, 20186674565), (5, 4037334913), (17, 1187451445), (85, 237490289), (101, 199868065), (157, 128577545), (289, 69850085), (505, 39973613), (785, 25715509), (881, 22913365), (1445, 13970017), (1717, 11756945), (2669, 7563385), (4405, 4582673), (8585, 2351389), (13345, 1512677), (14977, 1347845), (15857, 1273045), (29189, 691585), (45373, 444905), (74885, 269569), (79285, 254609), (88981, 226865), (138317, 145945)]