20147121040

素因数分解:

$2^4\times 5^1\times {\mathrm{7583}}^1\times {\mathrm{33211}}^1$

素因数の和:40807

約数の個数: 40

約数和(自身を含む): 46849644288

約数和(自身を除く): 26702523248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 7583, 15166, 30332, 33211, 37915, 60664, 66422, 75830, 121328, 132844, 151660, 166055, 265688, 303320, 332110, 531376, 606640, 664220, 1328440, 2656880, 251839013, 503678026, 1007356052, 1259195065, 2014712104, 2518390130, 4029424208, 5036780260, 10073560520, 20147121040]

約数ペア:

[(1, 20147121040), (2, 10073560520), (4, 5036780260), (5, 4029424208), (8, 2518390130), (10, 2014712104), (16, 1259195065), (20, 1007356052), (40, 503678026), (80, 251839013), (7583, 2656880), (15166, 1328440), (30332, 664220), (33211, 606640), (37915, 531376), (60664, 332110), (66422, 303320), (75830, 265688), (121328, 166055), (132844, 151660)]