20349718676

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{809}}^1\times {\mathrm{12653}}^1$

素因数の和:13544

約数の個数: 48

約数和(自身を含む): 41326951680

約数和(自身を除く): 20977233004

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 809, 994, 1618, 1988, 3236, 5663, 11326, 12653, 22652, 25306, 50612, 57439, 88571, 114878, 177142, 229756, 354284, 402073, 804146, 898363, 1608292, 1796726, 3593452, 6288541, 10236277, 12577082, 20472554, 25154164, 40945108, 71653939, 143307878, 286615756, 726775667, 1453551334, 2907102668, 5087429669, 10174859338, 20349718676]

約数ペア:

[(1, 20349718676), (2, 10174859338), (4, 5087429669), (7, 2907102668), (14, 1453551334), (28, 726775667), (71, 286615756), (142, 143307878), (284, 71653939), (497, 40945108), (809, 25154164), (994, 20472554), (1618, 12577082), (1988, 10236277), (3236, 6288541), (5663, 3593452), (11326, 1796726), (12653, 1608292), (22652, 898363), (25306, 804146), (50612, 402073), (57439, 354284), (88571, 229756), (114878, 177142)]