20128808210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1\times {\mathrm{3533}}^1$

素因数の和:4155

約数の個数: 64

約数和(自身を含む): 41729472000

約数和(自身を除く): 21600663790

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 199, 398, 409, 818, 995, 1393, 1990, 2045, 2786, 2863, 3533, 4090, 5726, 6965, 7066, 13930, 14315, 17665, 24731, 28630, 35330, 49462, 81391, 123655, 162782, 247310, 406955, 569737, 703067, 813910, 1139474, 1406134, 1444997, 2848685, 2889994, 3515335, 4921469, 5697370, 7030670, 7224985, 9842938, 10114979, 14449970, 20229958, 24607345, 49214690, 50574895, 101149790, 287554403, 575108806, 1437772015, 2012880821, 2875544030, 4025761642, 10064404105, 20128808210]

約数ペア:

[(1, 20128808210), (2, 10064404105), (5, 4025761642), (7, 2875544030), (10, 2012880821), (14, 1437772015), (35, 575108806), (70, 287554403), (199, 101149790), (398, 50574895), (409, 49214690), (818, 24607345), (995, 20229958), (1393, 14449970), (1990, 10114979), (2045, 9842938), (2786, 7224985), (2863, 7030670), (3533, 5697370), (4090, 4921469), (5726, 3515335), (6965, 2889994), (7066, 2848685), (13930, 1444997), (14315, 1406134), (17665, 1139474), (24731, 813910), (28630, 703067), (35330, 569737), (49462, 406955), (81391, 247310), (123655, 162782)]