20305230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1663}}^1$

素因数の和:1721

約数の個数: 64

約数和(自身を含む): 54632448

約数和(自身を除く): 34327218

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 37, 55, 66, 74, 110, 111, 165, 185, 222, 330, 370, 407, 555, 814, 1110, 1221, 1663, 2035, 2442, 3326, 4070, 4989, 6105, 8315, 9978, 12210, 16630, 18293, 24945, 36586, 49890, 54879, 61531, 91465, 109758, 123062, 182930, 184593, 274395, 307655, 369186, 548790, 615310, 676841, 922965, 1353682, 1845930, 2030523, 3384205, 4061046, 6768410, 10152615, 20305230]

約数ペア:

[(1, 20305230), (2, 10152615), (3, 6768410), (5, 4061046), (6, 3384205), (10, 2030523), (11, 1845930), (15, 1353682), (22, 922965), (30, 676841), (33, 615310), (37, 548790), (55, 369186), (66, 307655), (74, 274395), (110, 184593), (111, 182930), (165, 123062), (185, 109758), (222, 91465), (330, 61531), (370, 54879), (407, 49890), (555, 36586), (814, 24945), (1110, 18293), (1221, 16630), (1663, 12210), (2035, 9978), (2442, 8315), (3326, 6105), (4070, 4989)]