20673250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{6361}}^1$

素因数の和:6391

約数の個数: 32

約数和(自身を含む): 41683824

約数和(自身を除く): 21010574

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 6361, 12722, 31805, 63610, 82693, 159025, 165386, 318050, 413465, 795125, 826930, 1590250, 2067325, 4134650, 10336625, 20673250]

約数ペア:

[(1, 20673250), (2, 10336625), (5, 4134650), (10, 2067325), (13, 1590250), (25, 826930), (26, 795125), (50, 413465), (65, 318050), (125, 165386), (130, 159025), (250, 82693), (325, 63610), (650, 31805), (1625, 12722), (3250, 6361)]