20565523886

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{1033}}^1$

素因数の和:1329

約数の個数: 64

約数和(自身を含む): 33876817920

約数和(自身を除く): 13311294034

約数列:

[1, 2, 19, 38, 47, 71, 94, 142, 157, 314, 893, 1033, 1349, 1786, 2066, 2698, 2983, 3337, 5966, 6674, 7379, 11147, 14758, 19627, 22294, 39254, 48551, 63403, 73343, 97102, 126806, 140201, 146686, 162181, 211793, 280402, 324362, 423586, 523909, 922469, 1047818, 1393517, 1844938, 2787034, 3081439, 3447121, 6162878, 6894242, 7622507, 9954271, 11514851, 15245014, 19908542, 23029702, 65495299, 130990598, 144827633, 218782169, 289655266, 437564338, 541197997, 1082395994, 10282761943, 20565523886]

約数ペア:

[(1, 20565523886), (2, 10282761943), (19, 1082395994), (38, 541197997), (47, 437564338), (71, 289655266), (94, 218782169), (142, 144827633), (157, 130990598), (314, 65495299), (893, 23029702), (1033, 19908542), (1349, 15245014), (1786, 11514851), (2066, 9954271), (2698, 7622507), (2983, 6894242), (3337, 6162878), (5966, 3447121), (6674, 3081439), (7379, 2787034), (11147, 1844938), (14758, 1393517), (19627, 1047818), (22294, 922469), (39254, 523909), (48551, 423586), (63403, 324362), (73343, 280402), (97102, 211793), (126806, 162181), (140201, 146686)]