20496570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{4987}}^1$

素因数の和:5134

約数の個数: 32

約数和(自身を含む): 49560768

約数和(自身を除く): 29064198

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 137, 274, 411, 685, 822, 1370, 2055, 4110, 4987, 9974, 14961, 24935, 29922, 49870, 74805, 149610, 683219, 1366438, 2049657, 3416095, 4099314, 6832190, 10248285, 20496570]

約数ペア:

[(1, 20496570), (2, 10248285), (3, 6832190), (5, 4099314), (6, 3416095), (10, 2049657), (15, 1366438), (30, 683219), (137, 149610), (274, 74805), (411, 49870), (685, 29922), (822, 24935), (1370, 14961), (2055, 9974), (4110, 4987)]