20165694992

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{10663}}^1\times {\mathrm{6221}}^1$

素因数の和:16911

約数の個数: 40

約数和(自身を含む): 41137872960

約数和(自身を除く): 20972177968

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 6221, 10663, 12442, 21326, 24884, 42652, 49768, 85304, 99536, 118199, 170608, 202597, 236398, 405194, 472796, 810388, 945592, 1620776, 1891184, 3241552, 66334523, 132669046, 265338092, 530676184, 1061352368, 1260355937, 2520711874, 5041423748, 10082847496, 20165694992]

約数ペア:

[(1, 20165694992), (2, 10082847496), (4, 5041423748), (8, 2520711874), (16, 1260355937), (19, 1061352368), (38, 530676184), (76, 265338092), (152, 132669046), (304, 66334523), (6221, 3241552), (10663, 1891184), (12442, 1620776), (21326, 945592), (24884, 810388), (42652, 472796), (49768, 405194), (85304, 236398), (99536, 202597), (118199, 170608)]