20809914846

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{761}}^1\times {\mathrm{38299}}^1$

素因数の和:39089

約数の個数: 64

約数和(自身を含む): 50430988800

約数和(自身を除く): 29621073954

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 357, 714, 761, 1522, 2283, 4566, 5327, 10654, 12937, 15981, 25874, 31962, 38299, 38811, 76598, 77622, 90559, 114897, 181118, 229794, 268093, 271677, 536186, 543354, 651083, 804279, 1302166, 1608558, 1953249, 3906498, 4557581, 9115162, 13672743, 27345486, 29145539, 58291078, 87436617, 174873234, 204018773, 408037546, 495474163, 612056319, 990948326, 1224112638, 1486422489, 2972844978, 3468319141, 6936638282, 10404957423, 20809914846]

約数ペア:

[(1, 20809914846), (2, 10404957423), (3, 6936638282), (6, 3468319141), (7, 2972844978), (14, 1486422489), (17, 1224112638), (21, 990948326), (34, 612056319), (42, 495474163), (51, 408037546), (102, 204018773), (119, 174873234), (238, 87436617), (357, 58291078), (714, 29145539), (761, 27345486), (1522, 13672743), (2283, 9115162), (4566, 4557581), (5327, 3906498), (10654, 1953249), (12937, 1608558), (15981, 1302166), (25874, 804279), (31962, 651083), (38299, 543354), (38811, 536186), (76598, 271677), (77622, 268093), (90559, 229794), (114897, 181118)]