20358954

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:460

約数の個数: 96

約数和(自身を含む): 56624256

約数和(自身を除く): 36265302

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 37, 42, 63, 66, 74, 77, 99, 111, 126, 154, 198, 222, 231, 259, 333, 397, 407, 462, 518, 666, 693, 777, 794, 814, 1191, 1221, 1386, 1554, 2331, 2382, 2442, 2779, 2849, 3573, 3663, 4367, 4662, 5558, 5698, 7146, 7326, 8337, 8547, 8734, 13101, 14689, 16674, 17094, 25011, 25641, 26202, 29378, 30569, 39303, 44067, 50022, 51282, 61138, 78606, 88134, 91707, 102823, 132201, 161579, 183414, 205646, 264402, 275121, 308469, 323158, 484737, 550242, 616938, 925407, 969474, 1131053, 1454211, 1850814, 2262106, 2908422, 3393159, 6786318, 10179477, 20358954]

約数ペア:

[(1, 20358954), (2, 10179477), (3, 6786318), (6, 3393159), (7, 2908422), (9, 2262106), (11, 1850814), (14, 1454211), (18, 1131053), (21, 969474), (22, 925407), (33, 616938), (37, 550242), (42, 484737), (63, 323158), (66, 308469), (74, 275121), (77, 264402), (99, 205646), (111, 183414), (126, 161579), (154, 132201), (198, 102823), (222, 91707), (231, 88134), (259, 78606), (333, 61138), (397, 51282), (407, 50022), (462, 44067), (518, 39303), (666, 30569), (693, 29378), (777, 26202), (794, 25641), (814, 25011), (1191, 17094), (1221, 16674), (1386, 14689), (1554, 13101), (2331, 8734), (2382, 8547), (2442, 8337), (2779, 7326), (2849, 7146), (3573, 5698), (3663, 5558), (4367, 4662)]