20719902

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{1013}}^1$

素因数の和:1512

約数の個数: 32

約数和(自身を含む): 47503872

約数和(自身を除く): 26783970

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 487, 974, 1013, 1461, 2026, 2922, 3039, 3409, 6078, 6818, 7091, 10227, 14182, 20454, 21273, 42546, 493331, 986662, 1479993, 2959986, 3453317, 6906634, 10359951, 20719902]

約数ペア:

[(1, 20719902), (2, 10359951), (3, 6906634), (6, 3453317), (7, 2959986), (14, 1479993), (21, 986662), (42, 493331), (487, 42546), (974, 21273), (1013, 20454), (1461, 14182), (2026, 10227), (2922, 7091), (3039, 6818), (3409, 6078)]