20822970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{433}}^1$

素因数の和:679

約数の個数: 64

約数和(自身を含む): 57496320

約数和(自身を除く): 36673350

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 229, 433, 458, 687, 866, 1145, 1299, 1374, 1603, 2165, 2290, 2598, 3031, 3206, 3435, 4330, 4809, 6062, 6495, 6870, 8015, 9093, 9618, 12990, 15155, 16030, 18186, 24045, 30310, 45465, 48090, 90930, 99157, 198314, 297471, 495785, 594942, 694099, 991570, 1388198, 1487355, 2082297, 2974710, 3470495, 4164594, 6940990, 10411485, 20822970]

約数ペア:

[(1, 20822970), (2, 10411485), (3, 6940990), (5, 4164594), (6, 3470495), (7, 2974710), (10, 2082297), (14, 1487355), (15, 1388198), (21, 991570), (30, 694099), (35, 594942), (42, 495785), (70, 297471), (105, 198314), (210, 99157), (229, 90930), (433, 48090), (458, 45465), (687, 30310), (866, 24045), (1145, 18186), (1299, 16030), (1374, 15155), (1603, 12990), (2165, 9618), (2290, 9093), (2598, 8015), (3031, 6870), (3206, 6495), (3435, 6062), (4330, 4809)]