20342620600

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2365421}}^1$

素因数の和:2365480

約数の個数: 48

約数和(自身を含む): 48396534120

約数和(自身を除く): 28053913520

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 4300, 8600, 2365421, 4730842, 9461684, 11827105, 18923368, 23654210, 47308420, 59135525, 94616840, 101713103, 118271050, 203426206, 236542100, 406852412, 473084200, 508565515, 813704824, 1017131030, 2034262060, 2542827575, 4068524120, 5085655150, 10171310300, 20342620600]

約数ペア:

[(1, 20342620600), (2, 10171310300), (4, 5085655150), (5, 4068524120), (8, 2542827575), (10, 2034262060), (20, 1017131030), (25, 813704824), (40, 508565515), (43, 473084200), (50, 406852412), (86, 236542100), (100, 203426206), (172, 118271050), (200, 101713103), (215, 94616840), (344, 59135525), (430, 47308420), (860, 23654210), (1075, 18923368), (1720, 11827105), (2150, 9461684), (4300, 4730842), (8600, 2365421)]