20809367046

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{9880991}}^1$

素因数の和:9881018

約数の個数: 40

約数和(自身を含む): 50215201344

約数和(自身を除く): 29405834298

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 9880991, 19761982, 29642973, 59285946, 88928919, 128452883, 177857838, 256905766, 266786757, 385358649, 533573514, 770717298, 800360271, 1156075947, 1600720542, 2312151894, 3468227841, 6936455682, 10404683523, 20809367046]

約数ペア:

[(1, 20809367046), (2, 10404683523), (3, 6936455682), (6, 3468227841), (9, 2312151894), (13, 1600720542), (18, 1156075947), (26, 800360271), (27, 770717298), (39, 533573514), (54, 385358649), (78, 266786757), (81, 256905766), (117, 177857838), (162, 128452883), (234, 88928919), (351, 59285946), (702, 29642973), (1053, 19761982), (2106, 9880991)]