20179352440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38806447}}^1$

素因数の和:38806471

約数の個数: 32

約数和(自身を含む): 48896124480

約数和(自身を除く): 28716772040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38806447, 77612894, 155225788, 194032235, 310451576, 388064470, 504483811, 776128940, 1008967622, 1552257880, 2017935244, 2522419055, 4035870488, 5044838110, 10089676220, 20179352440]

約数ペア:

[(1, 20179352440), (2, 10089676220), (4, 5044838110), (5, 4035870488), (8, 2522419055), (10, 2017935244), (13, 1552257880), (20, 1008967622), (26, 776128940), (40, 504483811), (52, 388064470), (65, 310451576), (104, 194032235), (130, 155225788), (260, 77612894), (520, 38806447)]