20367027616

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{169409}}^1$

素因数の和:169466

約数の個数: 72

約数和(自身を含む): 45871823340

約数和(自身を除く): 25504795724

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 289, 416, 442, 544, 578, 884, 1156, 1768, 2312, 3536, 3757, 4624, 7072, 7514, 9248, 15028, 30056, 60112, 120224, 169409, 338818, 677636, 1355272, 2202317, 2710544, 2879953, 4404634, 5421088, 5759906, 8809268, 11519812, 17618536, 23039624, 35237072, 37439389, 46079248, 48959201, 70474144, 74878778, 92158496, 97918402, 149757556, 195836804, 299515112, 391673608, 599030224, 636469613, 783347216, 1198060448, 1272939226, 1566694432, 2545878452, 5091756904, 10183513808, 20367027616]

約数ペア:

[(1, 20367027616), (2, 10183513808), (4, 5091756904), (8, 2545878452), (13, 1566694432), (16, 1272939226), (17, 1198060448), (26, 783347216), (32, 636469613), (34, 599030224), (52, 391673608), (68, 299515112), (104, 195836804), (136, 149757556), (208, 97918402), (221, 92158496), (272, 74878778), (289, 70474144), (416, 48959201), (442, 46079248), (544, 37439389), (578, 35237072), (884, 23039624), (1156, 17618536), (1768, 11519812), (2312, 8809268), (3536, 5759906), (3757, 5421088), (4624, 4404634), (7072, 2879953), (7514, 2710544), (9248, 2202317), (15028, 1355272), (30056, 677636), (60112, 338818), (120224, 169409)]